and then 
to Add to home screen JULY 26TH, 1819-Twin cloudbursts of fifteen inches struck almost simultaneously at Catskill NY and Westfield MA. Flash flooding resulted in enormous erosion.
Rise 6:08AM
Set 8:22PM
Reporting Station : San Francisco International Airport, CA
There are
2 Weather Alerts
for your area.
2 Weather Alerts
for your area.
56°F
Passing clouds. Cool.
- 90%
- 11 mphWNW
-
90%
Humidity -
53°F
Dew Point -
53°F
Comfort Level -
10 mi
Visibility -
29.92 in
Barometric Pressure - Air Quality
Waning gibbous
Rise11:42PM
Set12:13PM
FRIDAY MORNING
SFO / No delays
Previously
| JULY 26TH, 1819 |
Twin cloudbursts of fifteen inches struck almost simultaneously at Catskill NY and Westfield MA. Flash flooding resulted in enormous erosion. |
| JULY 26TH, 1943 |
Tishomingo OK baked in the heat as the mercury soared to 121 degrees, a state record. |
| JULY 25TH, 1956 |
The Andrea Doria sank in dense fog near Nantucket Lightship MA. The ship was rammed by the Swedish-American liner, Stockholm, forty-five miles off the coast of Massachusetts. Fifty-two persons drowned, or were killed by the impact. |
| JULY 25TH, 1986 |
Tremendous hailstones pounded parts of South Dakota damaging crops, buildings and vehicles. Hail piled two feet deep at Black Hawk and northern Rapid City. Hail an inch and a quarter in diameter fell for 85 minutes near Miller and Huron, piling up to depths of two feet. |
| JULY 24TH, 1886 |
Rain fell at Lawrence KS for the first time in four weeks. Rain fell over much of the state of Kansas that day relieving a severe drought which began in May. The very dry weather ruined crops in Kansas. |
| JULY 24TH, 1980 |
Claudette, a weak tropical storm, deluged southeastern Texas with torrential rains. The Houston suburb of Alvin received 43 inches, a 24 hour record for the U.S. |
| JULY 23RD, 1788 |
A weather diary kept by George Washington recorded that the center of a hurricane passed directly over his Mount Vernon home. The hurricane crossed eastern North Carolina and Virginia before moving into the Central Appalachians. Norfolk VA reported houses destroyed, trees uprooted, and crops leveled to the ground. |
| JULY 23RD, 1987 |
Thunderstorms produced a record ten inches of rain in six and a half hours at Minneapolis MN, including 5.26 inches in two hours. Flash flooding claimed two lives and caused 21.3 million dollars damage. Streets in Minneapolis became rushing rivers, parking lots became lakes, and storm sewers spouted like geysers. A tornado hit Maple Grove MN causing five million dollars damage. Baseball size hail was reported at Olivia MN. |
| JULY 22ND, 1918 |
A single bolt of lightning struck 504 sheep dead in their tracks at the Wasatch National Forest in Utah. Sheep often herd together in storms, and as a result the shock from the lightning bolt was passed from one animal to another. |
| JULY 22ND, 1986 |
Hurricane Estelle passed 120 miles south of the Hawaiian Islands creating a ten to twenty foot surf. The large swells resulted from a combination of high tides, a full moon, and 50 mph winds. The hurricane also deluged Oahu Island with as much as 6.86 inches of rain on the 24th and 25th of the month. |
| JULY 21ST, 1975 |
Six inches of rain fell across Mercer County NJ in just ten hours causing the worst flooding in twenty years. Assunpink Creek crested eleven feet above flood stage at Hamilton and Trenton, the highest level of record. Traffic was brought to a standstill, and railway service between New York City and Washington D.C. was cut off for two days. Flooding left 1000 persons homeless, and caused an estimated 25 million dollars damage. |
Wind Advisory
| 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 6:08AM
Set 8:22PM
Waning gibbous
Rise11:42PM
Set12:13PM
FRIDAY MORNING
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| July Data | Choose another month |
| Averages | |
|
Average High Temperature
55.94 °F
|
Average Low Temperature
46.04 °F
|
|
Average Mean Temp
51.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
4.10
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
*
|
|
Days With Fog
*
|
Days With Snow
0
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
78.98 °F
|
Record Low
30.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.72 "
|
Record 24-hour Rainfall
3.19 "
|
Record Minimum Monthly Precipitation
0.50 "
|
| Averages | |
|
Average High Temperature
60.08 °F
|
Average Low Temperature
48.02 °F
|
|
Average Mean Temp
53.96 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
3.50
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
1
|
|
Days With Fog
1
|
Days With Snow
0
|
Days With Lows Below Freezing
7
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
80.96 °F
|
Record Low
30.92 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
10.09 "
|
Record 24-hour Rainfall
2.09 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
60.98 °F
|
Average Low Temperature
48.92 °F
|
|
Average Mean Temp
55.04 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
2.90
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
4
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
84.02 °F
|
Record Low
35.06 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
* "
|
Record 24-hour Snowfall
* "
|
Record Monthly Rainfall
8.98 "
|
Record 24-hour Rainfall
2.48 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
62.96 °F
|
Average Low Temperature
50.00 °F
|
|
Average Mean Temp
55.94 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
1.50
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
6
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
93.92 °F
|
Record Low
39.92 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
5.52 "
|
Record 24-hour Rainfall
2.01 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
64.04 °F
|
Average Low Temperature
51.08 °F
|
|
Average Mean Temp
57.92 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.50
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
3
|
Days With Thunderstorms
0
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
96.08 °F
|
Record Low
44.06 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
4.02 "
|
Record 24-hour Rainfall
1.42 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.06 °F
|
|
Average Mean Temp
60.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.20
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
100.94 °F
|
Record Low
46.94 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
1.42 "
|
Record 24-hour Rainfall
1.30 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.96 °F
|
|
Average Mean Temp
60.08 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
102.92 °F
|
Record Low
46.94 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
0.20 "
|
Record 24-hour Rainfall
0.12 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
66.02 °F
|
Average Low Temperature
53.96 °F
|
|
Average Mean Temp
60.98 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
*
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
96.08 °F
|
Record Low
48.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
0.51 "
|
Record 24-hour Rainfall
0.51 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
69.98 °F
|
Average Low Temperature
55.94 °F
|
|
Average Mean Temp
62.96 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
0.20
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
1
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
100.94 °F
|
Record Low
48.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
2.09 "
|
Record 24-hour Rainfall
2.01 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
69.08 °F
|
Average Low Temperature
55.04 °F
|
|
Average Mean Temp
62.06 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
1.10
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
4
|
Days With Thunderstorms
1
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
102.02 °F
|
Record Low
42.98 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
5.52 "
|
Record 24-hour Rainfall
2.29 "
|
Record Minimum Monthly Precipitation
* "
|
| Averages | |
|
Average High Temperature
64.04 °F
|
Average Low Temperature
51.08 °F
|
|
Average Mean Temp
57.92 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
2.60
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
*
|
|
Days With Fog
0
|
Days With Snow
0
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
86.00 °F
|
Record Low
39.02 °F
|
|
Record Wind Speed
-113.65 mph
|
Record Monthly Snowfall
0.0 "
|
Record 24-hour Snowfall
0.00 "
|
Record Monthly Rainfall
8.20 "
|
Record 24-hour Rainfall
2.48 "
|
Record Minimum Monthly Precipitation
0.00 "
|
| Averages | |
|
Average High Temperature
57.02 °F
|
Average Low Temperature
46.94 °F
|
|
Average Mean Temp
51.98 °F
|
Average Dew Point
* °F
|
|
Average Windspeed
* mph
|
Average Wind Direction
*
|
|
Average Morning Relative Humidity
*
|
Average Afternoon Relative Humidity
*
|
|
Typical Sky Cover
*
|
Average Precipitation (US Only)
3.90
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
0
|
|
Days With Fog
0
|
Days With Snow
*
|
Days With Lows Below Freezing
11
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
75.92 °F
|
Record Low
26.96 °F
|
|
Record Wind Speed
10.35 mph
|
Record Monthly Snowfall
2.5 "
|
Record 24-hour Snowfall
0.98 "
|
Record Monthly Rainfall
11.50 "
|
Record 24-hour Rainfall
3.11 "
|
Record Minimum Monthly Precipitation
0.00 "
|
Rise 6:08AM
Set 8:22PM
Waning gibbous
Rise11:42PM
Set12:13PM
FRIDAY MORNING
SFO / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Friday |  |
Fire danger low | 22% | 23% |
| Saturday | |
Fire danger low | 22% | 23% |
| Sunday |  |
Fire danger moderate | 22% | 23% |
| Monday | |
Fire danger moderate | 22% | 23% |
| Tuesday | |
Fire danger moderate | 22% | 23% |
| Wednesday | |
Fire danger moderate | 22% | 23% |
Rise 6:08AM
Set 8:22PM
Waning gibbous
Rise11:42PM
Set12:13PM
FRIDAY MORNING
SFO / No delays
Rise 6:08AM
Set 8:22PM
Waning gibbous
Rise11:42PM
Set12:13PM
FRIDAY MORNING
SFO / No delays
Snow conditions provided by SnoCountry Mountain Reports™