Fullerton, California Weather
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Weather Forecast for Fullerton, California : Orange County
Issued: 12:31 pm PDT Jul 1, 2025 Latitude: 33.8702924 Longitude: -117.925338 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
Sunny on This Afternoon Cloudy on Tonight Mostly Sunny on Wednesday Mostly Cloudy on Thursday Partly Sunny on Independence Day Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday
High: 84°F Low: 62°F High: 82°F High: 80°F High: 82°F High: 85°F High: 86°F High: 86°F
Low: 62°F Low: 62°F Low: 63°F Low: 63°F Low: 64°F  
Sunny Cloudy Mostly Sunny Mostly Cloudy Partly Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
FULLERTON - (KFUL)
77°
Clear
as of 1:53 PM PDST
Rel. Humidity: 50%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
LONG BEACH - (KLGB)
75°
Clear
as of 1:53 PM PDST
Rel. Humidity: 57%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
SANTA ANA - (KSNA)
73°
Mostly Clear
as of 1:53 PM PDST
Rel. Humidity: 53%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
10 MPH
220° Southwest
Cloud Level(s): Few at 4000ft, Few at 9000ft
Current Conditions at
ONTARIO - (KONT)
88°
Mostly Clear
as of 1:53 PM PDST
Rel. Humidity: 33%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
13 MPH
250° West
Cloud Level(s): Few at 15000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 84. Southwest wind around 10 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 62.
Partly Sunny on Independence Day Independence Day... Partly sunny, then gradually becoming sunny, with a high near 82.
Increasing Clouds on Friday Night Friday Night... Increasing clouds, with a low around 63.
Partly Sunny on Saturday Saturday... Partly sunny, then gradually becoming sunny, with a high near 85.
Increasing Clouds on Saturday Night Saturday Night... Increasing clouds, with a low around 63.
Partly Sunny on Sunday Sunday... Partly sunny, then gradually becoming sunny, with a high near 86.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 64.
Partly Sunny on Monday Monday... Partly sunny, then gradually becoming sunny, with a high near 86.
Current Radar Image


Sun Almanac for Fullerton, California
Sunrise: 05:45 AM
Sunset: 8:07 PM
Civil Sunrise:05:16 AM
Civil Sunset: 8:36 PM
Nautical Sunrise: 04:40 AM
Nautical Sunset: 9:11 PM
Astro Sunrise: 04:01 AM
Astro Sunset: 9:50 PM
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.