Reporting Station : San Francisco International Airport, CA
1 Weather Alert
for your area.
Clear. Cool.
Rise 7:13AM
Set 4:50PM
First Quarter
Rise12:39PM
Set*
SUNDAY EVENING
SFO / No delays
DECEMBER 8TH, 1988-Santa Ana winds buffeted southern California, with gusts to 92 mph reported at Laguna Peak. The high winds unroofed buildings, and downed trees and power lines, igniting five major fires, and numerous smaller ones. Damage was estimated at 15 to 20 million dollars.
| DECEMBER 8TH, 1988 |
Santa Ana winds buffeted southern California, with gusts to 92 mph reported at Laguna Peak. The high winds unroofed buildings, and downed trees and power lines, igniting five major fires, and numerous smaller ones. Damage was estimated at 15 to 20 million dollars. |
| DECEMBER 8TH, 1963 |
Lightning caused the crash of a jet airliner killing 81 persons at Elkton MD. |
| DECEMBER 7TH, 1740 |
In early December two weeks of mild and rainy weather culminated in the worst flood in fifty years in the Lower Connecticut River Valley. The Merrimack River swelled to its highest level, and in Maine the raging waters swept away mills, carried off bridges, and ruined highways. |
| DECEMBER 7TH, 1935 |
Severe flooding hit parts of the Houston TX area. Eight persons were killed as one hundred city blocks were inundated. Satsuma reported 16.49 inches of rain. The Buffalo and White Oak Bayous crested on the 9th. |
| DECEMBER 6TH, 1886 |
A great snowstorm hit the southern Appalachain Mountains. The three day storm produced 25 inches at Rome GA, 33 inches at Asheville NC, and 42 inches in the mountains. Montgomery AL received a record eleven inches of snow. Columbia SC received one to two inches of sleet. |
| DECEMBER 6TH, 1970 |
A windstorm toppled the National Christmas Tree at the White House. |
| DECEMBER 5TH, 1886 |
A big snowstorm in the southeastern U.S. produced 11 inches at Montgomery AL, 18.5 inches at Rome GA, and 22.5 inches at Knoxville TN. |
| DECEMBER 5TH, 1953 |
A killer tornado hit Vicksburg MS killing 38 persons, injuring 270 others, and causing 25 million dollars damage, the most damage since the forty-seven days of continuous shelling the town received in the Civil War. |
| DECEMBER 4TH, 1786 |
The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage. |
| DECEMBER 4TH, 1982 |
The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record. |
| DECEMBER 3RD, 1983 |
Birmingham AL was drenched with 9.22 inches of rain in 24 hours. The rains caused severe flash flooding which literally submerged traffic. |
| 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 7:13AM
Set 4:50PM
First Quarter
Rise12:39PM
Set*
SUNDAY EVENING
SFO / No delays
| History | |||
| Weather Station: San Francisco , CA , US | |||
| December 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 7:13AM
Set 4:50PM
First Quarter
Rise12:39PM
Set*
SUNDAY EVENING
SFO / No delays
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Monday |  |
Fire danger low | 27% | 28% |
| Tuesday | |
Fire danger low | 27% | 28% |
| Wednesday | |
Fire danger low | 27% | 28% |
| Thursday |  |
Fire danger very low | 27% | 28% |
| Friday | |
Fire danger very low | 27% | 28% |
| Saturday | |
Fire danger very low | 27% | 28% |
Rise 7:13AM
Set 4:50PM
First Quarter
Rise12:39PM
Set*
SUNDAY EVENING
SFO / No delays
Rise 7:13AM
Set 4:50PM
First Quarter
Rise12:39PM
Set*
SUNDAY EVENING
SFO / No delays
and then 
to Add to home screen