5-day weather forecast for Tempe, Arizona

Weather changeability for Phoenix, Arizona

Temperature Last Month Last Year
Average change in high temperature day-to-day 2.6° 3.6°
Average change in low temperature day-to-day 4.7° 4.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 60% 71%
Chance of precip day after a dry day 12% 6%

Weather forecast accuracy for Phoenix, Arizona

Last Month
Dark Sky (forecast.io)   85.22%
The Weather Channel   84.41%
Weather Underground   84.14%
MeteoGroup   82.80%
AccuWeather   81.72%
Foreca   79.57%
NWS Digital Forecast   73.31%
Persistence   64.78%
World Weather Online   63.44%
Last Year
The Weather Channel   90.27%
Weather Underground   90.19%
AccuWeather   88.73%
Foreca   88.42%
MeteoGroup   88.21%
NWS Digital Forecast   83.83%
Dark Sky (forecast.io)   81.42%
World Weather Online   78.03%
Persistence   65.94%

ForecastAdvisor Fact

91.1% of Weather Underground's high temperature forecasts for Phoenix were within 3 degrees of actual temperatures last year.