5-day weather forecast for Azusa, California

Weather changeability for Fullerton, California

Temperature Last Month Last Year
Average change in high temperature day-to-day 2.5° 3.8°
Average change in low temperature day-to-day 1.7° 2.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 57%
Chance of precip day after a dry day 3% 4%

Weather forecast accuracy for Fullerton, California

Last Month
MeteoGroup   89.78%
Foreca   86.83%
NWS Digital Forecast   85.22%
AccuWeather   84.72%
Weather Underground   83.06%
The Weather Channel   81.18%
Dark Sky (forecast.io)   78.49%
Persistence   77.69%
Last Year
AccuWeather   86.64%
MeteoGroup   86.59%
The Weather Channel   86.51%
Weather Underground   86.46%
Foreca   85.07%
NWS Digital Forecast   84.05%
CustomWeather   82.36%
WeatherBug   78.67%
Persistence   71.73%

ForecastAdvisor Fact

On average, Weather Underground's low temperature forecasts for Fullerton were off by 2.11 degrees last month.