• Today

    May 4

    70°Lo 54°

    Considerable cloudiness

    Good for hunting
    • Precip
      15%
    • Cloud
      Cover
      80%
    • Wind
      Gust
      17 mph
  • Thu

    May 5

    67°Lo 54°

    Variable clouds, a t-storm

    Good for hunting
    • Precip
      55%
    • Cloud
      Cover
      75%
    • Wind
      Gust
      14 mph
    more
  • Fri

    May 6

    65°Lo 53°

    Clouds and sun with a t-storm

    Good for hunting
    • Precip
      59%
    • Cloud
      Cover
      70%
    • Wind
      Gust
      14 mph
    more
  • Sat

    May 7

    70°Lo 56°

    Times of clouds and sun

    Poor for hunting
    • Precip
      25%
    • Cloud
      Cover
      70%
    • Wind
      Gust
      10 mph
    more
  • Sun

    May 8

    69°Lo 52°

    Low clouds

    Good for hunting
    • Precip
      25%
    • Cloud
      Cover
      95%
    • Wind
      Gust
      13 mph
    more
Next Previous
Hi 70° RealFeel® 74° Precipitation 15%

Day

N

E

S

W

  • WSW 8 mph
  • Gusts: 17 mph

Considerable cloudiness

  • Max UV Index: 7 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 51° Precipitation 40%

Night

N

E

S

W

  • SW 7 mph
  • Gusts: 14 mph

Mostly cloudy with a stray shower

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 70° 69° N/A 61°
Low 54° 50° N/A 51°

Solunar Information for Castro Valley, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:54 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:55 AM with 12:53 of moolight, then sets at 5:48 PM

Fri, May 6
New
Fri, May 13
First
Sat, May 21
Full
Sun, May 29
Last

Castro Valley Weather Report

San Francisco: Showery weather to arrive by late week

May 4, 2016; 8:34 AM ET

Clouds and showers will move into the Bay Area following a dry start to May. more >

Best Weather for Deer Hunting

Nov 9, 2011; 5:00 AM ET Deer researchers explain what weather conditions favor deer movement.

Radar & Satellite

Wed. Fronts & Pressure

Wed. Hunting Weather