Weather in Fullerton, California
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 04:13 PM ET · Refreshes every hour
71°F
Partly cloudy
Feels like 74°F
58%
Humidity
5 mph
Wind Speed
About Weather in Fullerton
Fullerton is located in California (coordinates: 33.885716°N, 117.928025°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.