• Tue

    Feb 16

    74°Lo 54°

    Sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      4 - Moderate
    • Cloud
      Cover
      8%
    more
  • Wed

    Feb 17

    65°Lo 46°

    Cloudy, rain possible; cooler

    Beneficial weather for migraines
    • Hi
      RealFeel
      64°
    • UV
      2 - Low
    • Cloud
      Cover
      97%
  • Thu

    Feb 18

    64°Lo 47°

    Mostly cloudy

    Neutral weather for migraines
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Cloud
      Cover
      51%
    more
  • Fri

    Feb 19

    58°Lo 49°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      65°
    • UV
      4 - Moderate
    • Cloud
      Cover
      33%
    more
  • Sat

    Feb 20

    65°Lo 50°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      37%
    more
Next Previous
Periods of rain 55° Lo 52° RealFeel® 51° / 46°

N

E

S

W

  • Precipitation: 65%
  • Rain: 0.11 in
  • Snow: 0 in
  • Humidity: 92%
  • Cloud Cover: 80%
  • Dew Point: 52° F
  • Visibility: 7 mi
9 mph

Temperature History - Feb 17

more Historical Weather Data >
  Today Normal Record 2/17/2015
High 65° 61° N/A 54°
Low 46° 45° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 10:54 of sunlight, then sets at 5:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:26 PM with 14:27 of moolight, then sets at 3:53 AM

Castro Valley Weather Report

San Francisco: Dry and mild into the weekend

February 11, 2016; 8:48 AM ET

The summerlike warmth that set records during the first part of the week will fade by the weekend, but temperatures will remain above normal. more >