• Today

    Feb 11

    72°Lo 44°

    Clouds and sun

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Fri

    Feb 12

    70°Lo 42°

    Intervals of clouds and sun

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
  • Sat

    Feb 13

    70°Lo 42°

    Sunshine and patchy clouds

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Sun

    Feb 14

    74°Lo 52°

    Mostly sunny

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Mon

    Feb 15

    76°Lo 48°

    Partly sunny

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Temp (°F) 50° 48° 47° 47° 46° 45° 44° 48°
RealFeel® 50° 49° 48° 47° 46° 45° 45° 49°
Humidity 89% 91% 93% 93% 93% 93% 100% 100%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 W 4 WNW 4 WNW 4 WNW 4 WNW 4 WNW 4 NW 4 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 47° 46° 45° 45° 44° 43° 44° 47°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 70° 62° 77° (1943) 71°
Low 42° 42° 24° (1949) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 10:41 of sunlight, then sets at 5:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:39 AM with 13:08 of moolight, then sets at 10:47 PM

Napa Weather Report

San Francisco: Dry and mild into the weekend

February 11, 2016; 8:48 AM ET

The summerlike warmth that set records during the first part of the week will fade by the weekend, but temperatures will remain above normal. more >

Fri. Arthritis Pain

Fri. UV Index