• Today

    Mar 2

    61°Lo 43°

    Mostly cloudy

    Beneficial weather for migraines
    • Hi
      RealFeel
      61°
    • UV
      0 - Moderate
    • Cloud
      Cover
      80%
    more
  • Tue

    Mar 3

    63°Lo 41°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      67°
    • UV
      0 - Moderate
    • Cloud
      Cover
      3%
    more
  • Wed

    Mar 4

    65°Lo 43°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      0 - Moderate
    • Cloud
      Cover
      11%
    more
  • Thu

    Mar 5

    69°Lo 43°

    Plenty of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      75°
    • UV
      0 - Moderate
    • Cloud
      Cover
      0%
  • Fri

    Mar 6

    69°Lo 43°

    Plenty of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      0 - Moderate
    • Cloud
      Cover
      0%
    more
Next Previous
Clear 48° Lo 43° RealFeel® 50° / 45°

N

E

S

W

  • Precipitation: 2%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 79%
  • Cloud Cover: 0%
  • Dew Point: 40° F
  • Visibility: 10 mi
2 mph

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 69° N/A N/A 67°
Low 43° N/A N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 11:32 of sunlight, then sets at 6:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:23 PM with 12:31 of moolight, then sets at 6:54 AM

Castro Valley Weather Report

San Francisco: Dry Pattern to Return Bringing Sunny, Warm Days

March 2, 2015; 2:44 PM ET

San Francisco will get progressively warmer everyday this week, reaching 70 degrees F by the weekend. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Thu. Migraine Headache

Thu. UV Index