• Early AM

    May 23

    Lo 57°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      68°
    • Wind
      Speed
      9 mph
    more
  • Today

    May 23

    66°Lo 55°

    Cool with clouds breaking

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      10 mph
  • Sun

    May 24

    68°Lo 56°

    Low clouds, then sunshine

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      9 mph
    more
  • Mon

    May 25

    68°Lo 56°

    Low clouds, then sun

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      12 mph
    more
  • Tue

    May 26

    67°Lo 55°

    Low clouds, then sun and cool

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      10 mph
    more
Next Previous
Hi 66° RealFeel® 70° Precipitation 4%

Day

N

E

S

W

  • NW 10 mph
  • Gusts: 17 mph

Cool with clouds giving way to some sun

  • Max UV Index: 7 (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 55° RealFeel® 52° Precipitation 4%

Night

N

E

S

W

  • WSW 7 mph
  • Gusts: 14 mph

Partly cloudy in the evening followed by low clouds

  • 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 - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 66° 72° N/A 75°
Low 55° 52° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:23 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:12 AM with 14:03 of moolight, then sets at 12:15 AM

Fremont Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 23, 2015; 1:17 AM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. 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