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Weather in Fullerton, California, USA

Now
63 °F

Sunny.


Feels Like: 63 °F
Forecast: 87 / 57 °F
Wind: 5 mph ↑ from East

Location: Fullerton Municipal Airport
Current Time: Mar 21, 2026 at 8:34:15 am
Latest Report: Mar 21, 2026 at 7:53 am
Visibility: 10 mi
Pressure: 29.93 "Hg
Humidity: 87%
Dew Point: 59 °F
Location of Fullerton Location

Upcoming 5 hours

Now 9:00 am 10:00 am 11:00 am 12:00 pm 1:00 pm
63 °F 67 °F 73 °F 78 °F 82 °F 85 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 67 °F 87 °F 70 °F 61 °F 66 °F 82 °F 67 °F
Partly cloudy. Mostly cloudy. Cloudy. Overcast. Cloudy. Mostly cloudy. Clear.
Feels Like 67 °F 85 °F 70 °F 61 °F 66 °F 81 °F 67 °F
Wind Speed 3 mph 10 mph 5 mph 3 mph 3 mph 9 mph 5 mph
Wind Direction SSW
↑ 		SW
↑ 		SSW
↑ 		SSW
↑ 		S
↑ 		SSW
↑ 		S
↑
Humidity 68% 33% 64% 86% 70% 37% 67%
Dew Point 56 °F 54 °F 57 °F 56 °F 56 °F 53 °F 56 °F
Visibility 6 mi 8 mi 6 mi 5 mi 7 mi 8 mi 6 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Saturday, March 21, 2026 6:42:40 am Fullerton time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Sunny. 93 / 62 °F
Humidity: 57%. Wind: 2 mph ↑ from West

More weather last week

Currently at nearby stations

62 °F

Long Beach Airport: (13 mi)

Partly sunny.

64 °F

John Wayne Airport-Orange County Airport: (14 mi)

Passing clouds.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days

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