• Tonight

    Jul 29

    Lo 70°

    A thunderstorm in spots late

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      7 mph
  • Thu

    Jul 30

    87°Lo 69°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      6 mph
    more
  • Fri

    Jul 31

    85°Lo 67°

    Partly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      7 mph
    more
  • Sat

    Aug 1

    83°Lo 67°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Aug 2

    85°Lo 67°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 85° RealFeel® 92° Precipitation 25%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 17 mph

Low clouds followed by some sun

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 10%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 68° Precipitation 42%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 14 mph

Partly cloudy with a thunderstorm in spots late; any thunderstorms can cause flash flooding

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 85° 80° N/A 81°
Low 70° 61° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:52 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:24 PM with 10:50 of moolight, then sets at 5:14 AM

Lake Forest Weather Report

Storms May Bring Flooding in a Flash to Los Angeles, Las Vegas and Phoenix This Week

July 30, 2015; 12:56 AM ET

The risk of drenching and locally gusty thunderstorms will expand northwestward over the balance of the week, reaching parts of Southern California, Arizona and Nevada. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index