5-day weather forecast for Chelmsford, Massachusetts
Today
66°
79°
Rain Showers
Sunday
54°
80°
Chance Rain
Showers
Showers
Monday
59°
80°
Chance Thunderstorms
Tuesday
52°
78°
Chance Thunderstorms
Wednesday
47°
71°
Mostly sunny
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Hanscom Air Force Base, Massachusetts
| National Weather Service | 80.39% |
| NWS Digital Forecast | 77.12% |
| MyForecast | 74.14% |
| Accuweather | 72.78% |
| Intellicast | 72.74% |
| The Weather Channel | 72.45% |
| 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
80.0% of National Weather Service's high temperature forecasts for Hanscom Air Force Base were within 3 degrees of actual temperatures last month.