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 3.9° 5.5°
Average change in low temperature day-to-day 3.2° 6.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 47% 53%
Chance of precip day after a dry day 31% 41%

Weather forecast accuracy for Chatham, Massachusetts

Last Month
Dark Sky   76.19%
AccuWeather   76.19%
MeteoGroup   75.89%
Weather Underground   74.70%
The Weather Channel   74.40%
Foreca   74.40%
NWS Digital Forecast   70.83%
World Weather Online   55.95%
Persistence   50.56%
Last Year
Foreca   79.62%
The Weather Channel   78.94%
Weather Underground   78.75%
AccuWeather   78.14%
MeteoGroup   76.13%
NWS Digital Forecast   73.26%
Dark Sky   72.74%
World Weather Online   61.84%
Persistence   43.86%

ForecastAdvisor Fact

On average, The Weather Channel's low temperature forecasts for Chatham were off by 2.48 degrees last year.