• Early AM

    May 3

    Lo 49°

    Partly to mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      7 mph
    more
  • Today

    May 3

    78°Lo 47°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      6 mph
    more
  • Mon

    May 4

    78°Lo 44°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      7 mph
    more
  • Tue

    May 5

    75°Lo 42°

    Delightful with sunshine

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      6 mph
  • Wed

    May 6

    73°Lo 43°

    Sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 75° RealFeel® 80° Precipitation 1%

Day

N

E

S

W

  • NW 6 mph
  • Gusts: 14 mph

Brilliant sunshine and delightful

  • Max UV Index: 8 (Very 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 42° RealFeel® 43° Precipitation 2%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 12 mph

Clear to partly cloudy and chilly

  • 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 5

more Historical Weather Data >
  Today Normal Record 5/5/2014
High 75° 73° N/A 65°
Low 42° 42° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:00 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:50 PM with 10:20 of moolight, then sets at 8:10 AM

Lucerne Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 3, 2015; 1:29 AM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. 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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index