• Tonight

    Apr 16

    Lo 52°

    Partly cloudy

    Frizz Forecast Weather
    • Wind
      Gust
      16 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Thu

    Apr 17

    65°Lo 50°

    Low clouds breaking

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      2%
    • Hours of Precip
      0
  • Fri

    Apr 18

    65°Lo 49°

    Low clouds, then some sun

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sat

    Apr 19

    67°Lo 51°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sun

    Apr 20

    67°Lo 51°

    Clouds breaking for some sun

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Hi 65° RealFeel® 66° Precipitation 2%

Day

N

E

S

W

  • W 10 mph
  • Gusts: 18 mph

Low clouds followed by some sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 43° Precipitation 4%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 15 mph

Partly cloudy

  • 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 - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 65° 67° N/A 68°
Low 50° 46° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 13:14 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:35 PM with 10:25 of moolight, then sets at 9:00 AM

Top Story

Foster City Weather Report

San Francisco: No Rain in Sight, Morning Clouds to Break for Afternoon Sunshine

April 16, 2014; 6:56 PM ET

For the remainder of the week and into the weekend, morning clouds will give way to mostly sunny skies. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index