• Sun

    Aug 23

    76°Lo 63°

    Mostly sunny

    Migraine Headache Weather
    • Hi
      RealFeel
      83°
    • Precip
      20%
    • Cloud
      Cover
      25%
    more
  • Mon

    Aug 24

    79°Lo 61°

    Mostly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      84°
    • Precip
      25%
    • Cloud
      Cover
      72%
    more
  • Tue

    Aug 25

    77°Lo 61°

    Considerable cloudiness

    Migraine Headache Weather
    • Hi
      RealFeel
      78°
    • Precip
      25%
    • Cloud
      Cover
      98%
    more
  • Wed

    Aug 26

    77°Lo 61°

    Clouds and sun

    Migraine Headache Weather
    • Hi
      RealFeel
      78°
    • Precip
      25%
    • Cloud
      Cover
      67%
  • Thu

    Aug 27

    77°Lo 61°

    Sunny

    Migraine Headache Weather
    • Hi
      RealFeel
      84°
    • Precip
      5%
    • Cloud
      Cover
      4%
    more
Next Previous
Hi 77° RealFeel® 78° Precipitation 25%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 20 mph

Intervals of clouds and sunshine

  • Max UV Index: 3 (Moderate)
  • 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 61° RealFeel® 62° Precipitation 5%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 20 mph

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 - Aug 26

more Historical Weather Data >
  Today Normal Record 8/26/2014
High 77° N/A N/A 74°
Low 61° N/A N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:13 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:28 PM with 10:41 of moolight, then sets at 4:09 AM

Castro Valley Weather Report

San Francisco: Seasonable Conditions to Persist Through Week

August 3, 2015; 2:12 PM ET

Dry and seasonable conditions will continue across the San Francisco Bay area this week. more >