• Today

    Apr 20

    77°Lo 57°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      5 mph
  • Mon

    Apr 21

    79°Lo 55°

    Low clouds, then some sun

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Apr 22

    70°Lo 56°

    Not as warm

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Apr 23

    70°Lo 58°

    Partly sunny and cool

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      6 mph
    more
  • Thu

    Apr 24

    76°Lo 59°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 77° RealFeel® 82° Precipitation 1%

Day

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Areas of low clouds early; otherwise, mostly sunny

  • Max UV Index: 9 (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 57° RealFeel® 57° Precipitation 1%

Night

N

E

S

W

  • S 1 mph
  • Gusts: 5 mph

Partly cloudy this evening followed by low clouds late

  • 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 - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 77° 72° N/A 74°
Low 57° 50° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:11 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:04 AM with 10:41 of moolight, then sets at 10:45 AM

Top Story

Lake Forest Weather Report

Warm Temperatures but No Rain for Los Angeles

April 20, 2014; 3:40 AM ET

A storm system will move into California on Tuesday but it will not press far enough south to bring needed rains to the Los Angeles area. 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