• Today

    Jul 6

    74°Lo 59°

    Clouds breaking for sun

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      2%
    • Wind
      Gust
      18 mph
    more
  • Tue

    Jul 7

    72°Lo 58°

    Low clouds, then sunshine

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      5%
    • Wind
      Gust
      20 mph
  • Wed

    Jul 8

    70°Lo 59°

    Low clouds breaking

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      4%
    • Wind
      Gust
      20 mph
    more
  • Thu

    Jul 9

    72°Lo 59°

    Partly sunny

    Excellent at the bus stop
    • T-storms
      1%
    • Precip
      4%
    • Wind
      Gust
      21 mph
    more
  • Fri

    Jul 10

    73°Lo 56°

    Pleasant with clouds and sun

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      4%
    • Wind
      Gust
      18 mph
    more
Next Previous
Hi 72° RealFeel® 75° Precipitation 5%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 20 mph

Low clouds followed by sunshine

  • 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 58° RealFeel® 56° Precipitation 6%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 16 mph

Mainly clear in the evening; low clouds late

  • 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 - Jul 7

more Historical Weather Data >
  Today Normal Record 7/7/2014
High 72° N/A N/A 74°
Low 58° N/A N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:40 of sunlight, then sets at 8:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:54 PM with 22:19 of moolight, then sets at 12:14 PM

Castro Valley Weather Report

San Francisco: Cooler, Comfortable Conditions to Start Week

July 6, 2015; 3:57 AM ET

The San Francisco area will remain cool and comfortable into the early part of the upcoming workweek. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Tue. Morning Bus Stop

Tue. UV Index

Tue. Wind Maps