• Early AM

    Apr 23

    Lo 47°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Apr 23

    63°Lo 50°

    Partly sunny and cool

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

    Apr 24

    62°Lo 50°

    Intervals of clouds and sun

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

    Apr 25

    57°Lo 46°

    Mostly cloudy, showers around

    Low indoor dust & dander levels
    • Precip
      63%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      82%
    more
  • Sat

    Apr 26

    59°Lo 51°

    Cool with periods of sun

    Low indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 47° 48° 49° 50° 51° 54° 55° 58°
RealFeel® 42° 43° 44° 45° 49° 54° 57° 62°
Humidity 76% 75% 75% 74% 73% 69% 63% 58%
   
  4am 5am 6am 7am 8am 9am 10am 11am
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%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 6 WNW 6 WNW 6 NW 7 NW 6 NW 7 NW 7 NW 8 WNW
UV Index 0 0 0 0 1 2 4 6
Cloud Cover 22% 21% 25% 31% 37% 35% 27% 21%
Dew Point 40° 41° 41° 42° 43° 44° 43° 43°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2013
High 63° 64° 87° (1910) 73°
Low 50° 50° 43° (1899) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:29 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:53 AM with 11:20 of moolight, then sets at 2:13 PM

Top Story

San Francisco Weather Report

San Francisco: Chance of Rain to Return Late Week

April 23, 2014; 4:34 AM 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