5-day weather forecast for Hyannis, Massachusetts

Weather changeability for Hyannis, Massachusetts

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.4° 5.4°
Average change in low temperature day-to-day 6.4° 8.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 40% 64%
Chance of precip day after a dry day 44% 26%
 
 

Weather forecast accuracy for Hyannis, Massachusetts

Last Month
AccuWeather   79.46%
Dark Sky (forecast.io)   77.98%
MeteoGroup   76.79%
NWS Digital Forecast   76.54%
Weather Underground   76.49%
The Weather Channel   76.19%
Foreca   74.69%
World Weather Online   60.42%
Persistence   45.43%
Last Year
The Weather Channel   74.90%
Weather Underground   74.79%
Foreca   74.56%
MeteoGroup   74.42%
AccuWeather   72.46%
Dark Sky (forecast.io)   67.93%
NWS Digital Forecast   67.53%
World Weather Online   65.72%
Persistence   44.95%
 

ForecastAdvisor Fact

18.3% of Persistence's high temperature forecasts for Hyannis were off by more than 10 degrees last month.