5-day weather forecast for Hyannis, Massachusetts
Today
72°
Chance Rain
Showers
Showers
Tuesday
55°
68°
Chance Rain
Showers
Showers
Wednesday
56°
69°
Chance Rain
Showers
Showers
Thursday
57°
73°
Chance Rain
Showers
Showers
Friday
55°
71°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Hyannis, Massachusetts
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 3.2° | 5.2° |
| Average change in low temperature day-to-day | 5.5° | 8.2° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 33% | 59% |
| Chance of precip day after a dry day | 33% | 26% |
Weather forecast accuracy for Hyannis, Massachusetts
| CustomWeather | 73.46% |
| National Weather Service | 69.14% |
| The Weather Channel | 69.14% |
| Intellicast | 69.14% |
| Weather Underground | 68.52% |
| World Weather Online | 63.27% |
| NWS Digital Forecast | 62.96% |
| AccuWeather | 61.42% |
| Persistence | 45.21% |
| Intellicast | 71.24% |
| The Weather Channel | 71.18% |
| National Weather Service | 70.32% |
| AccuWeather | 69.92% |
| CustomWeather | 68.73% |
| NWS Digital Forecast | 68.13% |
| Persistence | 43.52% |
ForecastAdvisor Fact
36.6% of Persistence's high temperature forecasts for Hyannis were within 3 degrees of actual temperatures last year.