• Tonight

    Sep 23

    Lo 64°

    Patchy clouds

    Migraine Headache Weather
    • Hi
      RealFeel
      79°
    • UV
      6 - High
    • Cloud
      Cover
      29%
    more
  • Wed

    Sep 24

    77°Lo 64°

    Partial sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      79°
    • UV
      5 - Moderate
    • Cloud
      Cover
      45%
    more
  • Thu

    Sep 25

    74°Lo 61°

    Some sun with a few showers

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Cloud
      Cover
      48%
    more
  • Fri

    Sep 26

    72°Lo 59°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Cloud
      Cover
      26%
    more
  • Sat

    Sep 27

    71°Lo 59°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Cloud
      Cover
      26%
Next Previous
Partly sunny 69° Lo 59° RealFeel® 72° / 58°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 69%
  • Cloud Cover: 26%
  • Dew Point: 54° F
  • Visibility: 10 mi
5 mph

Temperature History - Sep 27

more Historical Weather Data >
  Today Normal Record 9/27/2013
High 71° N/A N/A 75°
Low 59° N/A N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 11:58 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:17 AM with 10:48 of moolight, then sets at 9:05 PM

Top Story

Castro Valley Weather Report

Dry, Sunny Weather Continues for Much of the Week in San Francisco

September 23, 2014; 8:19 AM ET

Sunshine will continue for much of the region this week. more >

Sat. Migraine Headache

Sat. UV Index