• Today

    Feb 9

    71°Lo 47°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      73°
    • UV
      4 - Moderate
    • Cloud
      Cover
      8%
  • Wed

    Feb 10

    67°Lo 48°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      27%
    more
  • Thu

    Feb 11

    69°Lo 48°

    Periods of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Cloud
      Cover
      65%
    more
  • Fri

    Feb 12

    67°Lo 50°

    Intervals of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
    more
  • Sat

    Feb 13

    64°Lo 44°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Cloud
      Cover
      64%
    more
Next Previous
Partly cloudy 62° Lo 52° RealFeel® 62° / 53°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 81%
  • Cloud Cover: 26%
  • Dew Point: 50° F
  • Visibility: 10 mi
2 mph

Temperature History - Feb 9

more Historical Weather Data >
  Today Normal Record 2/9/2015
High 71° 60° N/A 61°
Low 47° 44° N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 10:36 of sunlight, then sets at 5:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:41 AM with 11:38 of moolight, then sets at 7:19 PM

Castro Valley Weather Report

Warmth to challenge records from Seattle to Los Angeles early this week

February 9, 2016; 4:54 AM ET

Warmer air will build from California to Washington into Tuesday raising temperatures to near-record levels and increasing the risk of wildfires in some areas. more >

Tue. Migraine Headache

Tue. UV Index