5-day weather forecast for Petrified Forest Natl Pk, Arizona

Weather changeability for Saint Johns, Arizona

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.6° 4.9°
Average change in low temperature day-to-day 5.8° 6.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 49%
Chance of precip day after a dry day 4% 11%
 
 

Weather forecast accuracy for Saint Johns, Arizona

Last Month
Intellicast   80.88%
Weather Underground   80.59%
The Weather Channel   80.49%
National Weather Service   78.53%
NWS Digital Forecast   78.12%
CustomWeather   73.53%
AccuWeather   72.35%
World Weather Online   66.47%
Persistence   62.20%
Last Year
Intellicast   72.83%
The Weather Channel   72.77%
NWS Digital Forecast   68.10%
National Weather Service   67.44%
CustomWeather   63.70%
AccuWeather   62.49%
Persistence   57.11%
 

ForecastAdvisor Fact

9.2% of CustomWeather's high temperature forecasts for Saint Johns were exactly right last year.