• Sat

    May 2

    73°Lo 51°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      76°
    • UV
      8 - Very High
    • Cloud
      Cover
      47%
    more
  • Sun

    May 3

    70°Lo 50°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      8 - Very High
    • Cloud
      Cover
      18%
    more
  • Mon

    May 4

    70°Lo 52°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      8 - Very High
    • Cloud
      Cover
      17%
    more
  • Tue

    May 5

    70°Lo 52°

    Sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      8 - Very High
    • Cloud
      Cover
      11%
  • Wed

    May 6

    71°Lo 50°

    Rather cloudy

    Beneficial weather for migraines
    • Hi
      RealFeel
      76°
    • UV
      8 - Very High
    • Cloud
      Cover
      48%
    more
Next Previous
Sunny 70° Lo 67° RealFeel® 74° / 66°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 43%
  • Cloud Cover: 5%
  • Dew Point: 46° F
  • Visibility: 10 mi
9 mph

Temperature History - May 5

more Historical Weather Data >
  Today Normal Record 5/5/2014
High 70° N/A N/A 62°
Low 52° N/A N/A 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:51 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 PM with 10:38 of moolight, then sets at 7:24 AM

Castro Valley Weather Report

San Francisco: Dry, Tranquil Weather to Hold for Rest of the Week

April 27, 2015; 8:52 PM ET

Following a warmer start to the week, an onshore flow will bring noticeable cooler conditions and patchy areas of low clouds through midweek. more >