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 3.6° 3.5°
Average change in low temperature day-to-day 2.7° 4.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 67%
Chance of precip day after a dry day 8% 4%

Weather forecast accuracy for Phoenix, Arizona

Last Month
AccuWeather   90.18%
Weather Underground   88.99%
The Weather Channel   88.69%
NWS Digital Forecast   87.96%
MeteoGroup   86.31%
Foreca   84.82%
Dark Sky (forecast.io)   76.49%
World Weather Online   74.40%
Persistence   67.26%
Last Year
The Weather Channel   90.94%
Weather Underground   90.89%
AccuWeather   89.95%
MeteoGroup   88.13%
Foreca   87.65%
NWS Digital Forecast   85.71%
Dark Sky (forecast.io)   79.26%
World Weather Online   76.15%
Persistence   66.98%

ForecastAdvisor Fact

On average, NWS Digital Forecast's low temperature forecasts for Phoenix were off by 1.86 degrees last month.