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 3.4° 4.9°
Average change in low temperature day-to-day 8.9° 7.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 53%
Chance of precip day after a dry day 13% 30%

Weather forecast accuracy for Hyannis, Massachusetts

Last Month
Foreca   71.97%
MeteoGroup   70.98%
The Weather Channel   68.10%
Weather Underground   67.53%
WeatherBug   66.67%
AccuWeather   66.38%
National Weather Service   64.66%
CustomWeather   57.76%
Dark Sky (forecast.io)   57.76%
Persistence   53.74%
Last Year
The Weather Channel   74.63%
Foreca   73.66%
National Weather Service   73.22%
WeatherBug   70.90%
AccuWeather   70.62%
CustomWeather   70.50%
Weather Underground   70.00%
MeteoGroup   68.79%
Persistence   42.26%

ForecastAdvisor Fact

It rained or snowed 34% of the time in Hyannis last month when Dark Sky (forecast.io)'s text forecasts called for precipitation, and 2% of the time when they did not.