Lake Forest, California Weather
Issued: 2:24 am PST Dec 18, 2025 Latitude: 33.6469661 Longitude: -117.689218 View on Google Maps
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Current Conditions at
SANTA ANA - (KSNA)
72°
Mostly Cloudy
Haze
as of 11:53 AM PST
Rel. Humidity: 53%
Dew Point: 54°F
Visibility: 6 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Cloud Level(s): Few at 500ft, Broken at 25000ft
Current Conditions at
CHINO - (KCNO)
73°
Mostly Cloudy
as of 11:53 AM PST
Rel. Humidity: 38%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Cloud Level(s): Broken at 25000ft
Current Conditions at
FULLERTON - (KFUL)
70°
Clear
Haze
as of 11:53 AM PST
Rel. Humidity: 52%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
73°
Mostly Cloudy
as of 11:53 AM PST
Rel. Humidity: 31%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Cloud Level(s): Scattered at 25000ft, Broken at 30000ft
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This Afternoon... Sunny, with a high near 79. West wind around 5 mph. |
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Tonight... Mostly clear, with a low around 56. West wind around 5 mph becoming southeast after midnight. |
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Friday... Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon. |
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Friday Night... Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. Southeast wind around 5 mph. |
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Saturday... Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Southeast wind around 5 mph becoming calm. |
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Saturday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. |
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Sunday... Patchy fog before 10am. Otherwise, partly sunny, with a high near 72. |
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Sunday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. |
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Monday... Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. |
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Monday Night... A slight chance of showers after 4am. Mostly cloudy, with a low around 53. |
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Tuesday... A chance of rain. Mostly cloudy, with a high near 69. |
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Tuesday Night... Rain likely. The rain could be heavy at times. Mostly cloudy, with a low around 56. |
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Wednesday... Rain. The rain could be heavy at times. Cloudy, with a high near 67. |
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Current Radar Image
Sun Almanac for Lake Forest, California
Sunrise: 06:50 AM
Sunset: 4:45 PM
Civil Sunrise:06:22 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:14 PM
California's Current Temperatures
California's Satellite Image
California's Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 5450 locations
in the contiguous United States |
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High
Temp |
86° |
Jim Hogg, Texas
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Low
Temp |
-8° |
Rolla Municipal A/P, North Dakota
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Wind
Speed |
53mph |
Berthoud Pass, Colorado
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Wind
Gust |
71mph |
Russell, Kansas
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Wind
Chill |
-35° |
Cavalier Municipal A/P, North Dakota
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High
Pressure |
30.29Hg |
Marshfield, Massachusetts
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Low
Pressure |
29.05Hg |
Grand Marais, Minnesota
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| # Locations Reporting Snow |
107 |
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| # Locations Reporting Rain |
221 |
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| # Locations Reporting Fog |
20 |
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| Average Temperature in the Contiguous USA |
48° |
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Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the
National Weather Service for official information.
