5-day weather forecast for Chatham, Massachusetts

Weather changeability for Chatham, Massachusetts

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.1° 5.1°
Average change in low temperature day-to-day 9.4° 6.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 53% 59%
Chance of precip day after a dry day 60% 32%

Weather forecast accuracy for Chatham, Massachusetts

Last Month
The Weather Channel   85.00%
AccuWeather   83.61%
Weather Underground   83.06%
Foreca   82.78%
MeteoGroup   81.39%
Dark Sky (forecast.io)   80.83%
NWS Digital Forecast   76.44%
World Weather Online   63.06%
Persistence   35.56%
Last Year
The Weather Channel   79.54%
Weather Underground   79.47%
MeteoGroup   78.27%
Foreca   77.98%
AccuWeather   76.64%
NWS Digital Forecast   72.49%
Dark Sky (forecast.io)   69.32%
World Weather Online   61.47%
Persistence   45.56%

ForecastAdvisor Fact

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