• Today

    Apr 21

    66°Lo 48°

    Partly sunny and not as warm

    Excellent at the bus stop
    • T-storms
      7%
    • Precip
      20%
    • Wind
      Gust
      16 mph
  • Tue

    Apr 22

    62°Lo 45°

    Mostly cloudy with a shower

    Excellent at the bus stop
    • T-storms
      20%
    • Precip
      55%
    • Wind
      Gust
      26 mph
    more
  • Wed

    Apr 23

    66°Lo 44°

    Cool with partial sunshine

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      3%
    • Wind
      Gust
      19 mph
    more
  • Thu

    Apr 24

    68°Lo 50°

    Periods of sun

    Excellent at the bus stop
    • T-storms
      1%
    • Precip
      20%
    • Wind
      Gust
      18 mph
    more
  • Fri

    Apr 25

    58°Lo 40°

    Cooler with a few showers

    Good at the bus stop
    • T-storms
      20%
    • Precip
      67%
    • Wind
      Gust
      26 mph
    more
Next Previous
Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Temp (°F) 51° 50° 49° 47° 42° 45° 46° 48°
RealFeel® 47° 46° 48° 45° 44° 46° 45° 47°
Humidity 86% 83% 83% 83% 93% 88% 89% 90%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 6 SSW 6 WSW 3 W 4 W 0 1 W 2 W 3 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 26% 42% 57%
Dew Point 47° 45° 44° 42° 40° 42° 43° 45°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 66° 69° 91° (2009) 83°
Low 48° 42° 30° (2008) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:26 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:25 AM with 10:34 of moolight, then sets at 11:59 AM

Top Story

Napa Weather Report

Chance of Rain in San Francisco on Tuesday

April 21, 2014; 4:56 AM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Mon. Morning Bus Stop

Mon. UV Index

Mon. Wind Maps