• Early AM

    Apr 20

    Lo 48°

    Partly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      52°
    • UV
      8 - Very High
    • Cloud
      Cover
      35%
    more
  • Today

    Apr 20

    75°Lo 50°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      78°
    • UV
      7 - High
    • Cloud
      Cover
      26%
  • Mon

    Apr 21

    67°Lo 48°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      70°
    • UV
      7 - High
    • Cloud
      Cover
      45%
    more
  • Tue

    Apr 22

    61°Lo 46°

    Mostly cloudy with a shower

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      61°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Wed

    Apr 23

    65°Lo 51°

    Mostly sunny and cool

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      66°
    • UV
      8 - Very High
    • Cloud
      Cover
      13%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Partly Cloudy
Temp (°F) 74° 75° 73° 70° 66° 62° 58° 57°
RealFeel® 77° 75° 72° 67° 62° 59° 55° 55°
Humidity 43% 42% 44% 50% 58% 67% 75% 78%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 7 NW 8 NW 9 WNW 8 WNW 7 WNW 5 WNW 5 WNW 4 W
UV Index 6 4 2 1 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 33%
Dew Point 50° 50° 50° 51° 51° 51° 50° 50°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 75° 70° N/A 76°
Low 50° 49° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:22 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:30 AM with 10:24 of moolight, then sets at 10:54 AM

Top Story

Fremont Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 4:09 AM ET

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

Sun. Sinus Headache

Sun. UV Index