• Tonight

    Apr 20

    Lo 47°

    Partly cloudy and cool

    Migraine Headache Weather
    • Hi
      RealFeel
      80°
    • UV
      7 - High
    • Cloud
      Cover
      7%
  • Mon

    Apr 21

    65°Lo 48°

    Periods of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      66°
    • UV
      6 - High
    • Cloud
      Cover
      68%
    more
  • Tue

    Apr 22

    62°Lo 40°

    Mostly cloudy with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      60°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Wed

    Apr 23

    67°Lo 46°

    Partly sunny and cool

    Beneficial weather for migraines
    • Hi
      RealFeel
      68°
    • UV
      7 - High
    • Cloud
      Cover
      28%
    more
  • Thu

    Apr 24

    70°Lo 47°

    Periods of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1pm
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Clear
Temp (°F) 72° 75° 77° 78° 75° 72° 68° 63°
RealFeel® 80° 79° 79° 79° 72° 68° 63° 59°
Humidity 57% 53% 52% 43% 48% 39% 44% 51%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
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0%
Snow
 
0%
 
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Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 4 SW 7 S 8 SSW 7 SW 12 W 10 WSW 9 WSW 8 WSW
UV Index 7 7 5 4 2 1 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 10% 0%
Dew Point 56° 57° 58° 54° 54° 46° 45° 44°
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

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 78° 69° 94° (1931) 80°
Low 47° 42° 29° (1933) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:23 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:33 AM with 10:21 of moolight, then sets at 10:54 AM

Top Story

Napa Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 9:00 PM 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. Migraine Headache

Sun. UV Index