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 4.4° 3.9°
Average change in low temperature day-to-day 4.3° 3.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 56%
Chance of precip day after a dry day 22% 6%

Weather forecast accuracy for Fullerton, California

Last Month
The Weather Channel   86.94%
Weather Underground   86.39%
Foreca   84.72%
AccuWeather   82.22%
Dark Sky (forecast.io)   78.89%
NWS Digital Forecast   77.35%
MeteoGroup   68.61%
World Weather Online   68.33%
Persistence   50.12%
Last Year
Weather Underground   87.59%
AccuWeather   87.40%
The Weather Channel   87.25%
Foreca   86.11%
MeteoGroup   85.54%
NWS Digital Forecast   79.90%
Dark Sky (forecast.io)   77.76%
World Weather Online   77.47%
Persistence   67.78%

ForecastAdvisor Fact

85.5% of Weather Underground's low temperature forecasts for Fullerton were within 3 degrees of actual temperatures last year.