Metar / Data
San Francisco Webcam (Click to enlarge)
History & Almanac
  Max Temp Min Temp
Normal 67 °F 51 °F
Record 93 °F (1997) 45 °F (1996)
partly cloudy
Current Conditions - San Francisco, CA (Airport)
CHP Traffic Incident Info
METAR = KSFO 172156Z 26035G44KT 8SM FEW008 SCT019 SCT150 15/07 A2992 RMK AO2 PK WND 26044/2154 SLP131 T01500072
STATION........ KSFO
OBSERVED....... Thu May 17, 14:56 PDT
NOW............ Thu May 17, 15:51 PDT
AGE............ 55 min ago
WIND........... W at 40 mph
WIND GUST...... 51 mph
VISIBILITY..... 8 miles
CLOUDS......... scattered clouds

TEMP........... 59°F (15°C)

DEWPT.......... 45°F (7°C)
HUMIDITY....... 59%
BAROMETER...... 1013 hPa (29.92 in Hg)
CLOUD HEIGHT... -

Maximum and Minimum Temperatures
Max since
Midnight		 Min since
Midnight		 24 Hour
Max		 24 Hour
Min
60.1°F 51.1°F 60.1°F 51.1°F
Weather Averages and Records for San Francisco, CA.

NWS Forecast For San Francisco, CA
National Weather Service Forecast for: San Francisco CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:42 pm PDT May 17, 2012
 
Tonight

Mostly Clear
Mostly
Clear		 Friday

Sunny
Sunny
 Friday
Night
Mostly Clear
Mostly
Clear		 Saturday

Sunny
Sunny
 Saturday
Night
Mostly Clear
Mostly
Clear		 Sunday

Sunny
Sunny
 Sunday
Night
Partly Cloudy
Partly
Cloudy		 Monday

Patchy Fog
Patchy
Fog		 Monday
Night
Partly Cloudy
Partly
Cloudy
Lo 50 °F Hi 68 °F Lo 50 °F Hi 70 °F Lo 51 °F Hi 69 °F Lo 51 °F Hi 68 °F Lo 52 °F

 

Tonight
 
 Mostly clear, with a low around 50. West wind 15 to 18 mph decreasing to between 7 and 10 mph. Winds could gust as high as 45 mph.
Friday
 
 Sunny, with a high near 68. West wind between 3 and 11 mph.
Friday Night
 
 Mostly clear, with a low around 50. West wind between 6 and 11 mph.
Saturday
 
 Sunny, with a high near 70. West southwest wind between 6 and 8 mph.
Saturday Night
 
 Mostly clear, with a low around 51. West wind between 6 and 9 mph.
Sunday
 
 Sunny, with a high near 69.
Sunday Night
 
 Partly cloudy, with a low around 51.
Monday
 
 Patchy fog before 11am. Otherwise, partly sunny, with a high near 68.
Monday Night
 
 Partly cloudy, with a low around 52.
Tuesday
 
 Sunny, with a high near 69.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 72.
Wednesday Night
 
 Clear, with a low around 54.
Thursday
 
 Sunny, with a high near 73.

 

Forecast from NOAA-NWS for San Francisco CA.


 Weather Averages and Records for San Francisco, CA.

Latitude: 37°46'N, Longitude: 122°26'W, Elevation: 128.0 ft
  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 72 years		 °F 57 51 53 55 55 57 60 60 60 62 62 57 51
Average high temperature
over 72 years		 °F 62 55 60 60 62 64 66 66 66 69 69 64 57
Average low temperature
over 72 years		 °F 51 46 48 48 50 51 53 53 53 55 55 51 46
Highest recorded temperature
over 72 years		 °F 102 78 80 84 93 96 100 102 96 100 102 86 75
Lowest recorded temperature
over 72 years		 °F 26 30 31 35 39 44 46 46 48 48 43 39 26
Average number of rainy days
over 57 years		 days 67 11 10 11 6 3 1 - 1 2 4 8 10
Average number of days above 90°F
over 72 years		 days 2 - - - - - - - - 1 - - -
Average precipitation
over 63 years		 in 20.4 4.1 3.5 2.9 1.5 0.5 0.2 - - 0.2 1.1 2.6 3.9
Most recorded rainfall
over 63 years		 in 43.8 10.7 10.1 9.0 5.5 4.0 1.4 0.2 0.5 2.1 5.5 8.2 11.5
Least recorded rainfall
over 63 years		 in 10.0 0.5 - - - - - - - - - - -
Average number of days with thunderstorms
over 7 years		 days 5 - 1 - 1 - - 1 1 - 1 - -
Average number of days with fog
over 7 years		 days 1 - 1 - - - - - - - - - -
Average morning relative humidity
over 7 years		 % 85 81 83 81 82 89 89 92 93 87 81 82 80
Average evening relative humidity
over 7 years		 % 66 63 63 61 61 68 72 74 73 66 60 63 63
Average wind speed
over 28 years		 mph 8.7 6.7 7.5 8.5 9.5 10.4 10.9 11.2 10.5 9.1 7.6 6.3 6.5
Heating degree days
over 30 years		 days 3005 431 297 313 275 260 198 187 156 116 123 237 412
Cooling degree days
over 30 years		 days 65 - - - - - - - - 35 30 - -
Average possibility of sunshine
over 38 years		 % 66 56 62 69 73 72 73 66 65 72 70 62 53
Average number of days below 45°F
over 72 years		 days 41 15 7 4 2 - - - - - - 1 11
Average number of days above 75°F
over 72 years		 days 29 - - 1 2 3 3 2 2 6 7 2 -
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