1 - 5 of 90 days | All 90 days
Next 5 Days
  • Tonight

    May 28

    Clear Lo 53°
    more
  • Sun

    May 29

    Areas of low clouds, then sun 77°Lo 52°
    more
  • Mon

    May 30

    Warm with plenty of sunshine 80°Lo 53°
    more
  • Tue

    May 31

    Sunshine and very warm 81°Lo 53°
    more
  • Wed

    Jun 1

    Areas of low clouds, then sun 79°Lo 54°
Hi 79° RealFeel® 84° Precipitation 1%

Day

N

E

S

W

  • WNW 8 mph
  • Gusts: 13 mph

Areas of low clouds early on; otherwise, mostly sunny and pleasant

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • 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® 54° Precipitation 1%

Night

N

E

S

W

  • NW 5 mph
  • Gusts: 10 mph

Mainly clear

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

Temperature History - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2015
High 79° 73° N/A 73°
Low 54° 53° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:37 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:29 AM with 13:08 of moolight, then sets at 4:37 PM

Castro Valley Weather Report

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

May 28, 2016; 7:47 PM ET

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

ABC 7 San Francisco Headlines

Authorities identify Novato teen killed in shooting, stabbing

Authorities identity of the Novato High School student that police say was killed by two fellow students.

ONLY ON ABC7NEWS.COM: Judge orders kids removed from Peninsula murder suspect's home

Sharks fever hits San Jose as team heads to Stanley Cup Final