National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

51°F

11°C

Humidity 92%
Wind Speed Calm
Barometer 29.99 in (1016.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 27 Aug 6:51 am EDT
Extended Forecast for

Chelmsford MA

  • Today

    Today: Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 75 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 49. Light west wind.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 78. Southwest wind 3 to 8 mph.

    High: 78 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. South wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. South wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West wind 3 to 6 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Light west wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 49. Light west wind.
Thursday
Increasing clouds, with a high near 78. Southwest wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 57. South wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. South wind 5 to 8 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 74. West wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 52. Light west wind.
Sunday
Sunny, with a high near 76. Light and variable wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Labor Day
Mostly sunny, with a high near 76. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 54. Light and variable wind.
Tuesday
Mostly sunny, with a high near 76. Northeast wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.34°W (Elev. 144 ft)
Last Update:
2:36 am EDT Aug 27, 2025
Forecast Valid:
7am EDT Aug 27, 2025-6pm EDT Sep 2, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation