5-day weather forecast for Johnstown, Pennsylvania

Weather changeability for Johnstown, Pennsylvania

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.9° 6.4°
Average change in low temperature day-to-day 8.8° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 44% 43%
Chance of precip day after a dry day 58% 34%

Weather forecast accuracy for Johnstown, Pennsylvania

Last Month
Foreca   84.44%
The Weather Channel   81.67%
AccuWeather   79.72%
Weather Underground   79.44%
Dark Sky (forecast.io)   78.61%
MeteoGroup   75.83%
NWS Digital Forecast   70.28%
World Weather Online   59.72%
Persistence   33.89%
Last Year
Weather Underground   77.59%
The Weather Channel   77.56%
MeteoGroup   76.64%
Foreca   76.00%
AccuWeather   74.52%
NWS Digital Forecast   68.94%
Dark Sky (forecast.io)   66.01%
World Weather Online   56.87%
Persistence   42.26%

ForecastAdvisor Fact

0.0% of MeteoGroup's low temperature forecasts for Johnstown were off by more than 10 degrees last month.