• Early AM

    Jul 30

    Lo 58°

    Clear

    Driving Weather
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Today

    Jul 30

    82°Lo 62°

    Mostly sunny

    Excellent for driving
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Fri

    Jul 31

    79°Lo 61°

    Partly sunny

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

    Aug 1

    78°Lo 62°

    Partly sunny

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

    Aug 2

    76°Lo 61°

    Low clouds, then sunshine

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Partly to mostly cloudy 62° Lo 61° RealFeel® 60° / 59°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 86%
  • Cloud Cover: 47%
  • Dew Point: 58° F
  • Visibility: 10 mi
7 mph

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 79° N/A N/A 78°
Low 61° N/A N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 14:09 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:41 PM with 10:50 of moolight, then sets at 6:31 AM

Castro Valley Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 2:51 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. more >

Travel Weather Forecast

Jul 29, 2015; 6:28 PM ET United States travel weather forecast

Fri. Travel Weather

48 Hour Precipitation Forecast

Fri. Driving Weather