Reporting Station : Seattle Boeing Field, WA
2 Weather Alerts
for your area.
Clear. Cool.
Rise 5:30AM
Set 8:58PM
Waxing gibbous
Rise7:31PM
Set2:03AM
THURSDAY NIGHT
SEA / No delays
JULY 18TH, 1889-A cloudburst in West Virginia along the small creeks in Wirt County, Jackson County and Wood County claimed twenty lives. Rockport WV reported nineteen inches of rain in two hours and ten minutes that Thursday evening. Tygart Creek rose 22 feet in one hour, and villages were swept away on Tygart, Slate, Tucker, and Sandy Creeks.
| JULY 18TH, 1889 |
A cloudburst in West Virginia along the small creeks in Wirt County, Jackson County and Wood County claimed twenty lives. Rockport WV reported nineteen inches of rain in two hours and ten minutes that Thursday evening. Tygart Creek rose 22 feet in one hour, and villages were swept away on Tygart, Slate, Tucker, and Sandy Creeks. |
| JULY 18TH, 1942 |
A record deluge occurred at Smethport in northern Pennsylvania, with 30.7 inches in just six hours. The downpours and resultant flooding in Pennsylvania were devastating. |
| JULY 17TH, 1974 |
After striking a tree and passing through a chain, lightning kills Norma Jean, a 6500 lb. performing elephant tethered to a tree in the town square at Oquawka, IL where a circus had pitched a big top. |
| JULY 17TH, 1941 |
A prolonged heat wave over Washington State finally came to an end. Lightning from untimely thunderstorms was responsible for 598 forest fires. |
| JULY 16TH, 1946 |
The temperature at Medford OR soared to an all-time high of 115 degrees to begin a two week heat wave. During that Oregon heat wave the mercury hit 100 degrees at Sexton Summit for the only time in forty years of records. |
| JULY 16TH, 1975 |
An early afternoon thunderstorm raked the east side of Tucson AZ with gale force winds, heavy rain, and numerous lightning strikes. A thirteen year old boy was swept through a forty foot long culvert by raging waters before being rescued. |
| JULY 15TH, 1980 |
The suburbs of Minneapolis are hammered by powerful thunderstorms, hailstorms and small tornadoes, leaving 100,000 without power. Downward rushing winds cause an estimated $43 million in damages in Dakota County. |
| JULY 15TH, 1916 |
A dying South Atlantic Coast storm produced torrential rains in the southern Appalachian Mountains. Altapass NC was drenched with more than 22 inches of rain, a 24 hour rainfall record for the state. Flooding resulted in considerable damage, particularly to railroads. |
| JULY 14TH, 1936 |
Extreme heat prevailed across the central U.S. as severe drought raged from Texas to the Dakotas. Record high temperatures were established in sixteen states that summer, including readings as high as 120 degrees in the Great Plains Region. On this particular date, afternoon highs for 113 stations across the state of Iowa averaged 108.7 degrees. |
| JULY 14TH, 1987 |
Severe thunderstorms in Iowa produced eight inches of golf ball size hail near Grafton IA, completely stripping corn stalks in the area. Hail caused more than a million dollars damage to crops in Worth County and Mitchell County, and another million dollars damage in Ada County and Crawford County. |
| JULY 13TH, 1980 |
Afternoon highs of 108 degrees at Memphis TN, 108 degrees at Macon GA, and 105 degrees at Atlanta GA, established all- time records for those three cities. The high of 110 degrees at Newington GA was just two degrees shy of the state record. |
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 5:30AM
Set 8:58PM
Waxing gibbous
Rise7:31PM
Set2:03AM
THURSDAY NIGHT
SEA / No delays
| History | |||
| Weather Station: Seattle-Tacoma International Airport , WA , US | |||
| July Data | Choose another month |
| Averages | |
|
Average High Temperature
6.70 °C
|
Average Low Temperature
1.10 °C
|
|
Average Mean Temp
3.90 °C
|
Average Dew Point
0.60 °C
|
|
Average Windspeed
22.20 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
76.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
14.47
|
|
Average Snowfall (US Only)
12.70
|
|
| Daily Counts | |
|
Days With Precipitation
19
|
Days With Thunderstorms
*
|
|
Days With Fog
18
|
Days With Snow
3
|
Days With Lows Below Freezing
11
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
17.80 °C
|
Record Low
-17.80 °C
|
|
Record Wind Speed
87.00 km/h
|
Record Monthly Snowfall
144.7 cm
|
Record 24-hour Snowfall
50.80 cm
|
Record Monthly Rainfall
327 mm
|
Record 24-hour Rainfall
76 mm
|
Record Minimum Monthly Precipitation
1.52 mm
|
| Averages | |
|
Average High Temperature
8.90 °C
|
Average Low Temperature
2.20 °C
|
|
Average Mean Temp
6.10 °C
|
Average Dew Point
1.70 °C
|
|
Average Windspeed
22.20 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
69.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
10.66
|
|
Average Snowfall (US Only)
5.10
|
|
| Daily Counts | |
|
Days With Precipitation
16
|
Days With Thunderstorms
*
|
|
Days With Fog
14
|
Days With Snow
1
|
Days With Lows Below Freezing
7
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
21.10 °C
|
Record Low
-17.20 °C
|
|
Record Wind Speed
96.30 km/h
|
Record Monthly Snowfall
33.0 cm
|
Record 24-hour Snowfall
17.80 cm
|
Record Monthly Rainfall
231 mm
|
Record 24-hour Rainfall
76 mm
|
Record Minimum Monthly Precipitation
1.52 mm
|
| Averages | |
|
Average High Temperature
11.10 °C
|
Average Low Temperature
3.30 °C
|
|
Average Mean Temp
7.20 °C
|
Average Dew Point
2.20 °C
|
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
63.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.39
|
|
Average Snowfall (US Only)
2.50
|
|
| Daily Counts | |
|
Days With Precipitation
17
|
Days With Thunderstorms
1
|
|
Days With Fog
12
|
Days With Snow
1
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
23.90 °C
|
Record Low
-11.70 °C
|
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
45.7 cm
|
Record 24-hour Snowfall
15.20 cm
|
Record Monthly Rainfall
213 mm
|
Record 24-hour Rainfall
69 mm
|
Record Minimum Monthly Precipitation
1.52 mm
|
| Averages | |
|
Average High Temperature
13.90 °C
|
Average Low Temperature
5.00 °C
|
|
Average Mean Temp
9.40 °C
|
Average Dew Point
3.90 °C
|
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
57.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
6.09
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
14
|
Days With Thunderstorms
1
|
|
Days With Fog
9
|
Days With Snow
*
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
29.40 °C
|
Record Low
-1.70 °C
|
|
Record Wind Speed
70.40 km/h
|
Record Monthly Snowfall
5.1 cm
|
Record 24-hour Snowfall
2.50 cm
|
Record Monthly Rainfall
107 mm
|
Record 24-hour Rainfall
46 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
| Averages | |
|
Average High Temperature
17.80 °C
|
Average Low Temperature
7.80 °C
|
|
Average Mean Temp
12.80 °C
|
Average Dew Point
6.70 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
80.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.31
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
1
|
|
Days With Fog
8
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
33.90 °C
|
Record Low
-2.20 °C
|
|
Record Wind Speed
74.10 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
122 mm
|
Record 24-hour Rainfall
46 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
| Averages | |
|
Average High Temperature
20.60 °C
|
Average Low Temperature
10.60 °C
|
|
Average Mean Temp
16.10 °C
|
Average Dew Point
8.90 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
79.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
3.55
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
1
|
|
Days With Fog
8
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
35.60 °C
|
Record Low
3.30 °C
|
|
Record Wind Speed
51.90 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
96 mm
|
Record 24-hour Rainfall
46 mm
|
Record Minimum Monthly Precipitation
0.25 mm
|
| Averages | |
|
Average High Temperature
23.90 °C
|
Average Low Temperature
12.20 °C
|
|
Average Mean Temp
18.30 °C
|
Average Dew Point
10.60 °C
|
|
Average Windspeed
14.80 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
79.0
|
Average Afternoon Relative Humidity
49.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
2.03
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
5
|
Days With Thunderstorms
1
|
|
Days With Fog
8
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
36.70 °C
|
Record Low
6.10 °C
|
|
Record Wind Speed
46.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
61 mm
|
Record 24-hour Rainfall
20 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
23.30 °C
|
Average Low Temperature
12.80 °C
|
|
Average Mean Temp
18.30 °C
|
Average Dew Point
11.70 °C
|
|
Average Windspeed
14.80 km/h
|
Average Wind Direction
203.0
|
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
51.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
2.79
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
7
|
Days With Thunderstorms
1
|
|
Days With Fog
12
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
37.20 °C
|
Record Low
6.70 °C
|
|
Record Wind Speed
57.40 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
117 mm
|
Record 24-hour Rainfall
41 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
20.60 °C
|
Average Low Temperature
10.60 °C
|
|
Average Mean Temp
15.60 °C
|
Average Dew Point
10.00 °C
|
|
Average Windspeed
14.80 km/h
|
Average Wind Direction
0.0
|
|
Average Morning Relative Humidity
87.0
|
Average Afternoon Relative Humidity
57.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
4.82
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
9
|
Days With Thunderstorms
1
|
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
36.70 °C
|
Record Low
1.70 °C
|
|
Record Wind Speed
63.00 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
150 mm
|
Record 24-hour Rainfall
41 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
15.00 °C
|
Average Low Temperature
7.20 °C
|
|
Average Mean Temp
11.10 °C
|
Average Dew Point
7.20 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
68.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.88
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
13
|
Days With Thunderstorms
*
|
|
Days With Fog
19
|
Days With Snow
*
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
31.70 °C
|
Record Low
-2.20 °C
|
|
Record Wind Speed
72.20 km/h
|
Record Monthly Snowfall
5.1 cm
|
Record 24-hour Snowfall
5.10 cm
|
Record Monthly Rainfall
198 mm
|
Record 24-hour Rainfall
69 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
| Averages | |
|
Average High Temperature
10.00 °C
|
Average Low Temperature
3.90 °C
|
|
Average Mean Temp
7.20 °C
|
Average Dew Point
3.90 °C
|
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
76.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
14.97
|
|
Average Snowfall (US Only)
2.50
|
|
| Daily Counts | |
|
Days With Precipitation
18
|
Days With Thunderstorms
1
|
|
Days With Fog
18
|
Days With Snow
*
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
23.30 °C
|
Record Low
-14.40 °C
|
|
Record Wind Speed
107.40 km/h
|
Record Monthly Snowfall
45.7 cm
|
Record 24-hour Snowfall
20.30 cm
|
Record Monthly Rainfall
272 mm
|
Record 24-hour Rainfall
86 mm
|
Record Minimum Monthly Precipitation
1.78 mm
|
| Averages | |
|
Average High Temperature
7.20 °C
|
Average Low Temperature
2.20 °C
|
|
Average Mean Temp
5.00 °C
|
Average Dew Point
1.70 °C
|
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
180.0
|
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
79.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
14.97
|
|
Average Snowfall (US Only)
7.60
|
|
| Daily Counts | |
|
Days With Precipitation
19
|
Days With Thunderstorms
*
|
|
Days With Fog
19
|
Days With Snow
2
|
Days With Lows Below Freezing
9
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
17.20 °C
|
Record Low
-14.40 °C
|
|
Record Wind Speed
88.90 km/h
|
Record Monthly Snowfall
55.8 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
299 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
3.55 mm
|
Rise 5:30AM
Set 8:58PM
Waxing gibbous
Rise7:31PM
Set2:03AM
THURSDAY NIGHT
SEA / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Thursday |  |
Fire danger low | 21% | 23% |
| Friday |  |
Fire danger moderate | 21% | 23% |
| Saturday |  |
Fire danger high | 21% | 23% |
| Sunday | |
Fire danger moderate | 21% | 23% |
| Monday | |
Fire danger moderate | 21% | 23% |
| Tuesday | |
Fire danger moderate | 21% | 23% |
Rise 5:30AM
Set 8:58PM
Waxing gibbous
Rise7:31PM
Set2:03AM
THURSDAY NIGHT
SEA / No delays
Rise 5:30AM
Set 8:58PM
Waxing gibbous
Rise7:31PM
Set2:03AM
THURSDAY NIGHT
SEA / No delays
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