Fullerton, CA Weather Forecast
Orange County, California
Live radar, warnings and storm tracking for Fullerton, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in tonight
It is 67° with a dew point of 61°, which is noticeable for this time of year. The sky is clear. The air is close to calm.
Pressure is easing down, 0.03 inHg over the last hour. The wind backs into the east-northeast around 11 PM, which is the turn that usually comes ahead of the change rather than after it. The first rain arrives between 11 PM and midnight, with the best chance of it around 7 AM.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
Wet weather moves in around 11 PM. Total accumulation over the window comes to about 0.10 in.
Pressure rises 0.03 inHg behind it, which is the drier air arriving. The overnight low settles near 60°. Tomorrow reaches 80°, 11° warmer than today. It also gets muggier, so tomorrow will feel warmer than the number on its own suggests.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
51–80°F across the weekThe week runs between 53° and 80°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Saturday is the wettest day, peaking near 68%.
Free alerts for Fullerton
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Fullerton, CA at a glance
Fullerton is home to about 139,250 people in Orange County, across 22 square miles. It ranks 41st by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is La Habra, 3 miles away.
- County
- Orange County
- Population
- 139,250 2023 est.
- Land area
- 22 sq mi
- People per sq mi
- 6,211
- Forecast point
- 33.8857°N, 117.9280°W
How well can the network see Fullerton?
The nearest Doppler radar is KSOX (Santa Ana Mountains, CA), to the ESE. Its lowest scan passes about 950 ft above Fullerton. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Fullerton show up clearly. Fullerton is closer to its radar than 88% of US cities.
The closest weather station is KFUL (Fullerton Muni). Close enough that its readings are the conditions in town.
Forecasts near Fullerton
- La Habra, CA3 mi
- Placentia, CA4 mi
- Brea, CA5 mi
- La Mirada, CA5 mi
- Buena Park, CA5 mi
- La Habra Heights, CA5 mi
- La Palma, CA7 mi
- Stanton, CA7 mi
Elsewhere in California
Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoAll California forecasts →

