• Early AM

    Feb 9

    Lo 49°

    Clear

    Outdoor Barbecue Weather
    • Precip
      1%
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      4 mph
    more
  • Today

    Feb 9

    71°Lo 47°

    Plenty of sunshine

    Excellent for an outdoor bbq
    • Precip
      5%
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      2 mph
    more
  • Wed

    Feb 10

    67°Lo 48°

    Partly sunny

    Excellent for an outdoor bbq
    • Precip
      5%
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      2 mph
  • Thu

    Feb 11

    69°Lo 48°

    Periods of clouds and sun

    Excellent for an outdoor bbq
    • Precip
      5%
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      2 mph
    more
  • Fri

    Feb 12

    67°Lo 50°

    Intervals of clouds and sun

    Excellent for an outdoor bbq
    • Precip
      11%
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      5 mph
    more
Next Previous
Mostly cloudy 58° Lo 53° RealFeel® 58° / 54°

N

E

S

W

  • Precipitation: 4%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 91%
  • Cloud Cover: 62%
  • Dew Point: 52° F
  • Visibility: 10 mi
2 mph

Temperature History - Feb 10

more Historical Weather Data >
  Today Normal Record 2/10/2015
High 67° 60° N/A 63°
Low 48° 45° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:04 AM with 10:38 of sunlight, then sets at 5:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:21 AM with 12:07 of moolight, then sets at 8:28 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 >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Wed. Outdoor Entertaining

Wed. Wind Maps

Wed. UV Index