• Today

    May 25

    74°Lo 51°

    Low clouds breaking

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      8 mph
  • Tue

    May 26

    80°Lo 50°

    A thunderstorm in spots

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      5 mph
    more
  • Wed

    May 27

    83°Lo 52°

    Low clouds, then sunshine

    Poor for home energy
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
  • Thu

    May 28

    88°Lo 55°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      5 mph
    more
  • Fri

    May 29

    89°Lo 55°

    Mostly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 68° 70° 72° 74° 73° 73° 70° 68°
RealFeel® 72° 76° 78° 78° 75° 73° 69° 66°
Humidity 60% 56% 52% 52% 53% 53% 56% 58%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 9 S 8 S 8 SSW 7 SSW 7 SSW 6 SW 6 WSW 5 WSW
UV Index 6 8 7 5 3 2 0 0
Cloud Cover 77% 11% 15% 19% 23% 24% 25% 26%
Dew Point 53° 54° 53° 55° 55° 55° 54° 53°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 74° 79° N/A 90°
Low 51° 46° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:35 of sunlight, then sets at 8:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 13:00 of moolight, then sets at 2:02 AM

Lucerne Weather Report

San Francisco: Seasonable, Dry Weather to Remain Through Late Week

May 25, 2015; 4:00 PM ET

Dry and seasonable weather is forecast for San Francisco this 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index