• Today

    Apr 18

    69°Lo 49°

    Mostly sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      6 mph
  • Sun

    Apr 19

    69°Lo 49°

    Low clouds, then some sun

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Apr 20

    66°Lo 50°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Apr 21

    63°Lo 52°

    Overcast; breezy in the p.m.

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      12 mph
    more
  • Wed

    Apr 22

    65°Lo 50°

    A couple of showers possible

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      10 mph
    more
Next Previous
Hi 69° RealFeel® 75° Precipitation 2%

Day

N

E

S

W

  • NNW 6 mph
  • Gusts: 13 mph

Sunny to partly cloudy and comfortable

  • Max UV Index: 8 (Very High)
  • 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® 49° Precipitation 2%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 9 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 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 69° 67° N/A 65°
Low 49° 47° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:17 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 AM with 13:29 of moolight, then sets at 8:02 PM

Foster City Weather Report

San Francisco: Pleasant Conditions to Hold into New Week

April 18, 2015; 6:31 PM ET

The Bay area will see pleasant conditions hold into the new week with plenty of sunshine and comfortable temperatures. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index