5-day weather forecast for Chelmsford, Massachusetts
Today
64°
79°
Patchy Fog
Monday
71°
88°
Thunderstorms
Tuesday
70°
92°
Mostly cloudy
Wednesday
66°
91°
Mostly cloudy
Thursday
56°
87°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Hanscom Air Force Base, Massachusetts
| National Weather Service | 69.29% |
| The Weather Channel | 69.21% |
| NWS Digital Forecast | 68.15% |
| Accuweather | 66.94% |
| MyForecast | 66.94% |
| Intellicast | 47.97% |
| The Weather Channel | 70.86% |
| Intellicast | 70.35% |
| NWS Digital Forecast | 68.69% |
| National Weather Service | 68.60% |
| Accuweather | 68.31% |
| MyForecast | 67.61% |
ForecastAdvisor Fact
12.2% of NWS Digital Forecast's high temperature forecasts for Hanscom Air Force Base were exactly right last month.