• Tonight

    Feb 13

    Lo 47°

    Mainly clear

    Driving Weather
    • Precip
      5%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Feb 14

    73°Lo 52°

    Mostly sunny

    Excellent for driving
    • Precip
      6%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Feb 15

    74°Lo 49°

    Plenty of sun

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
  • Tue

    Feb 16

    74°Lo 54°

    Mostly sunny

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Wed

    Feb 17

    64°Lo 50°

    Cooler; a little p.m. rain

    Very Good for driving
    • Precip
      56%
    • Hours of Precip
      3.5
    • Rain
      0.23 in
    more
Next Previous
Hi 74° RealFeel® 73° Precipitation 2%

Day

N

E

S

W

  • NNE 7 mph
  • Gusts: 13 mph

Plenty of sun

  • Max UV Index: 4 (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 49° RealFeel® 50° Precipitation 5%

Night

N

E

S

W

  • NE 4 mph
  • Gusts: 7 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 - Feb 15

more Historical Weather Data >
  Today Normal Record 2/15/2015
High 74° 61° N/A 74°
Low 49° 45° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 10:50 of sunlight, then sets at 5:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:45 AM with 14:15 of moolight, then sets at 2:00 AM

Castro Valley Weather Report

San Francisco: Record-challenging warmth to return early this week

February 13, 2016; 4:00 PM ET

Dry and unseasonably warm conditions will continue in San Francisco next week with another shot of record-breaking warmth. more >

Travel Weather Forecast

Feb 13, 2016; 3:24 PM ET United States travel weather forecast

Mon. Driving Weather