• Today

    Jun 30

    88°Lo 59°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      9 - Very High
    • Cloud
      Cover
      28%
  • Wed

    Jul 1

    86°Lo 62°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      9 - Very High
    • Cloud
      Cover
      29%
    more
  • Thu

    Jul 2

    81°Lo 60°

    A blend of sun and clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      84°
    • UV
      7 - High
    • Cloud
      Cover
      69%
    more
  • Fri

    Jul 3

    78°Lo 59°

    Partly sunny and nice

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      9 - Very High
    • Cloud
      Cover
      26%
    more
  • Sat

    Jul 4

    78°Lo 59°

    Mostly sunny and nice

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      9 - Very High
    • Cloud
      Cover
      23%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 74° 79° 82° 86° 87° 88° 87° 84°
RealFeel® 83° 88° 90° 92° 92° 90° 87° 83°
Humidity 59% 53% 44% 39% 35% 38% 40% 44%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
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%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 5 WNW 6 WNW 6 WNW 8 W 8 W 9 W 10 W 9 W
UV Index 7 8 9 8 7 5 3 2
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 59° 60° 59° 58° 57° 59° 60° 60°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jun 30

more Historical Weather Data >
  Today Normal Record 6/30/2014
High 88° N/A N/A 88°
Low 59° N/A N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:44 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:17 PM with 10:22 of moolight, then sets at 5:39 AM

Castro Valley Weather Report

San Francisco: Warm, Dry Through the Independence Day Weekend

June 30, 2015; 11:38 AM ET

The San Francisco area will remain dry and warm into the Independence Day weekend. more >

Tue. Migraine Headache

Tue. UV Index