• Today

    Aug 4

    73°Lo 60°

    Low clouds, then some sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      5 - High
    • Cloud
      Cover
      61%
  • Wed

    Aug 5

    77°Lo 59°

    Low clouds, then sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      7 - Very High
    • Cloud
      Cover
      58%
    more
  • Thu

    Aug 6

    79°Lo 59°

    Partly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      7 - Very High
    • Cloud
      Cover
      53%
    more
  • Fri

    Aug 7

    78°Lo 60°

    Low clouds, then some sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      80°
    • UV
      5 - High
    • Cloud
      Cover
      70%
    more
  • Sat

    Aug 8

    76°Lo 60°

    Mostly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      81°
    • UV
      7 - Very High
    • Cloud
      Cover
      19%
    more
Next Previous
Partly sunny 73° Lo 68° RealFeel® 74° / 65°

N

E

S

W

  • Precipitation: 7%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 61%
  • Cloud Cover: 45%
  • Dew Point: 57° F
  • Visibility: 5 mi
13 mph

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 73° N/A N/A 70°
Low 60° N/A N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 14:00 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:07 PM with 13:11 of moolight, then sets at 12:18 PM

Castro Valley Weather Report

San Francisco: Seasonable Conditions to Persist Through Week

August 4, 2015; 3:13 PM ET

Dry and seasonable conditions will continue across the San Francisco Bay area this week. more >

Tue. Migraine Headache

Tue. UV Index