• Tonight

    Apr 26

    Lo 49°

    Mainly clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      12 mph
  • Mon

    Apr 27

    90°Lo 51°

    Sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Apr 28

    84°Lo 45°

    Sunshine and nice

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Apr 29

    83°Lo 50°

    Sunny much of the time

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      7 mph
    more
  • Thu

    Apr 30

    88°Lo 53°

    Partly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 69° 71° 70° 68° 57° 56° 55° 54°
RealFeel® 70° 70° 68° 65° 52° 53° 54° 55°
Humidity 40% 39% 41% 47% 74% 75% 81% 81%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
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0%
Snow
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 15 NW 14 NW 13 NW 10 NW 9 NW 7 NNW 5 NNW 4 N
UV Index 4 2 1 0 0 0 0 0
Cloud Cover 31% 25% 20% 16% 16% 13% 12% 11%
Dew Point 44° 45° 45° 47° 48° 48° 49° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 26

more Historical Weather Data >
  Today Normal Record 4/26/2014
High 71° 70° N/A 64°
Low 49° 41° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:40 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:22 PM with 13:37 of moolight, then sets at 2:59 AM

Lucerne Weather Report

San Francisco: Dry Pattern to Continue After Weekend Showers

April 26, 2015; 12:41 PM ET

Warm and dry conditions will begin the new week in San Francisco. 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index