• Today

    Sep 3

    72°Lo 58°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      13 mph
  • Fri

    Sep 4

    71°Lo 57°

    Areas of low clouds, then sun

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      18 mph
    more
  • Sat

    Sep 5

    76°Lo 54°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      10 mph
    more
  • Sun

    Sep 6

    81°Lo 55°

    Abundant sunshine

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      9 mph
    more
  • Mon

    Sep 7

    81°Lo 56°

    Clear

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 72° RealFeel® 74° Precipitation 3%

Day

N

E

S

W

  • W 13 mph
  • Gusts: 21 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 55° Precipitation 7%

Night

N

E

S

W

  • W 7 mph
  • Gusts: 17 mph

Mainly clear early, then areas of low clouds forming

  • 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 - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 72° 78° N/A 75°
Low 58° 54° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:54 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:12 PM with 14:10 of moolight, then sets at 1:22 PM

Foster City Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 3, 2015; 3:06 PM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index