• Today

    May 28

    82°Lo 53°

    Mostly sunny

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

    May 29

    77°Lo 52°

    Areas of low clouds, then sun

    Excellent for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    May 30

    80°Lo 53°

    Warm with plenty of sunshine

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

    May 31

    81°Lo 53°

    Sunshine and very warm

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

    Jun 1

    79°Lo 54°

    Areas of low clouds, then sun

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Clear 57° Lo 53° RealFeel® 59° / 54°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 88%
  • Cloud Cover: 8%
  • Dew Point: 52° F
  • Visibility: 10 mi
4 mph

Temperature History - May 30

more Historical Weather Data >
  Today Normal Record 5/30/2015
High 80° 73° N/A 74°
Low 53° 53° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:35 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:14 AM with 12:06 of moolight, then sets at 2:20 PM

Castro Valley Weather Report

San Francisco: Dry, warm conditions to persist through early next week

May 28, 2016; 5:47 PM ET

Dry and warm conditions will span into early next week across the San Francisco area. more >

Travel Weather Forecast

May 28, 2016; 4:19 PM ET United States travel weather forecast

Mon. Driving Weather