• Tonight

    Aug 31

    Lo 53°

    Partly cloudy

    Skiing Weather
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Tue

    Sep 1

    86°Lo 52°

    Plenty of sunshine

    Poor for skiing
    • Rain
      0 in
    • Precip
      3%
    • Hours of Precip
      0
  • Wed

    Sep 2

    80°Lo 51°

    Mostly sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Thu

    Sep 3

    82°Lo 48°

    Plenty of sunshine

    Poor for skiing
    • Rain
      0 in
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Fri

    Sep 4

    85°Lo 46°

    Areas of low clouds, then sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 53° 55° 59° 63° 68° 74° 79° 82°
RealFeel® 54° 57° 61° 69° 74° 82° 88° 90°
Humidity 93% 93% 81% 71% 56% 48% 43% 37%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 NNE 2 NNE 2 NE 2 ENE 2 ESE 2 SE 4 SSE 5 S
UV Index 0 0 1 2 4 5 6 7
Cloud Cover 76% 76% 10% 10% 10% 10% 10% 10%
Dew Point 51° 53° 53° 54° 52° 53° 55° 53°
Middle Grid line 85 F Middle Grid line 80 F 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 - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 86° 89° N/A 98°
Low 52° 51° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 13:02 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:46 PM with 13:30 of moolight, then sets at 11:16 AM

Lucerne Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

August 31, 2015; 3:48 PM ET

The San Francisco area will have dry and seasonable conditions throughout the week. more >

Tourism of Doom: Traveling to Endangered Places

Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.

48 Hour Precipitation Forecast

Tue. Ski Weather