• Tonight

    Apr 24

    Lo 55°

    Cloudy with a shower late

    Migraine Headache Weather
    • Hi
      RealFeel
      69°
    • UV
      7 - High
    • Cloud
      Cover
      71%
  • Fri

    Apr 25

    59°Lo 46°

    A couple of thunderstorms

    Beneficial weather for migraines
    • Hi
      RealFeel
      57°
    • UV
      5 - Moderate
    • Cloud
      Cover
      80%
    more
  • Sat

    Apr 26

    61°Lo 51°

    Breezy with clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      59°
    • UV
      7 - High
    • Cloud
      Cover
      52%
    more
  • Sun

    Apr 27

    64°Lo 47°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      66°
    • UV
      7 - High
    • Cloud
      Cover
      66%
    more
  • Mon

    Apr 28

    70°Lo 50°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      8 - Very High
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 65° 66° 64° 63° 61° 59° 57° 56°
RealFeel® 69° 67° 63° 59° 55° 52° 51° 51°
Humidity 59% 57% 58% 61% 65% 71% 75% 78%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
2%
 
5%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 9 W 10 WNW 12 WNW 12 WNW 12 WNW 12 W 9 W 8 W
UV Index 7 5 4 2 1 0 0 0
Cloud Cover 43% 56% 70% 69% 95% 96% 100% 100%
Dew Point 50° 50° 49° 49° 49° 50° 50° 49°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 24

more Historical Weather Data >
  Today Normal Record 4/24/2013
High 66° N/A N/A 68°
Low 55° N/A N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:31 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:30 AM with 11:49 of moolight, then sets at 3:19 PM

Top Story

Castro Valley Weather Report

San Francisco: Temperatures to Rebound Into Next Week

April 24, 2014; 9:48 PM ET

Temperatures will rebound into the weekend and will provide a warm start to next week. However, very little rain is expected to alleviate the ongoing drought. 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?

Thu. Migraine Headache

Thu. UV Index