• Today

    Apr 23

    68°Lo 49°

    Mostly sunny and cool

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Apr 24

    66°Lo 49°

    Partly sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 25

    60°Lo 39°

    Cooler with showers

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 26

    62°Lo 42°

    Breezy with periods of sun

    Low indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Apr 27

    67°Lo 48°

    Times of clouds and sun

    Low indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Cloudy
Mostly Cloudy
Temp (°F) 66° 67° 68° 66° 65° 62° 58° 55°
RealFeel® 68° 68° 67° 64° 61° 56° 52° 49°
Humidity 45% 44% 43% 46% 50% 56% 64% 72%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 12 NNW 12 NNW 13 NNW 12 NNW 12 NNW 11 NW 9 NW 8 NW
UV Index 7 6 4 2 1 0 0 0
Cloud Cover 22% 22% 23% 24% 25% 27% 76% 76%
Dew Point 44° 44° 45° 45° 46° 46° 46° 46°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2013
High 68° 71° N/A 82°
Low 49° 45° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:28 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:51 AM with 11:21 of moolight, then sets at 2:12 PM

Top Story

Stanford Weather Report

San Francisco: Chance of Rain to Return Late Week

April 23, 2014; 4:34 PM ET

After receiving 0.4 of an inch of rain Tuesday, drier weather will linger in the area throughout the week until Friday. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps