• Early AM

    May 26

    Lo 54°

    Cloudy

    Driving Weather
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Today

    May 26

    71°Lo 51°

    Clouds giving way to sun

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
  • Fri

    May 27

    78°Lo 51°

    Areas of low clouds, then sun

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    May 28

    81°Lo 52°

    Mostly sunny

    Excellent for driving
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    May 29

    80°Lo 53°

    Mostly sunny

    Excellent for driving
    • Precip
      0%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Mostly sunny 71° Lo 64° RealFeel® 76° / 62°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 57%
  • Cloud Cover: 19%
  • Dew Point: 52° F
  • Visibility: 10 mi
10 mph

Temperature History - May 26

more Historical Weather Data >
  Today Normal Record 5/26/2015
High 71° 73° N/A 62°
Low 51° 52° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:30 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:19 AM with -1:-11 of moolight, then sets at 10:08 AM

Castro Valley Weather Report

San Francisco: Milder air to build ahead of Memorial Day weekend

May 26, 2016; 4:58 AM ET

Following a stretch of cool days, milder air will begin to build across the Bay area heading into Memorial Day weekend. more >

Travel Weather Forecast

May 25, 2016; 10:54 PM ET United States travel weather forecast

Thu. Travel Weather

48 Hour Precipitation Forecast

Thu. Driving Weather