5-day weather forecast for Union, New Hampshire

Weather changeability for Rochester, New Hampshire

Temperature Last Month Last Year
Average change in high temperature day-to-day 3.7° 6.4°
Average change in low temperature day-to-day 6.6° 7.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 49%
Chance of precip day after a dry day 41% 24%

Weather forecast accuracy for Rochester, New Hampshire

Last Month
Weather Underground   82.18%
The Weather Channel   81.39%
WeatherBug   79.31%
National Weather Service   78.89%
Foreca   78.45%
AccuWeather   77.50%
CustomWeather   77.50%
MeteoGroup   75.28%
Dark Sky (forecast.io)   75.00%
Persistence   40.80%
Last Year
MeteoGroup   74.94%
The Weather Channel   73.93%
Foreca   72.88%
Weather Underground   71.44%
National Weather Service   69.68%
AccuWeather   69.19%
WeatherBug   69.04%
CustomWeather   66.75%
Persistence   44.29%

ForecastAdvisor Fact

It rained or snowed 41% of the time in Rochester last year when Persistence's text forecasts called for precipitation, and 30% of the time when they did not.