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

63°F

17°C

Humidity 60%
Wind Speed W 10 G 18 mph
Barometer 29.57 in (1002.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 5:51 am EDT
Extended Forecast for

Chelmsford MA

  • Today

    Today: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 79. West wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind 3 to 7 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 58. East wind around 7 mph becoming south after midnight. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Mostly sunny, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Light northwest wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 79. West wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 58. West wind 3 to 7 mph.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 58. East wind around 7 mph becoming south after midnight. Chance of precipitation is 90%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 60. Light northwest wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Calm wind.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Light south wind. Chance of precipitation is 30%.
Friday
Showers likely. Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.37°W (Elev. 285 ft)
Last Update:
4:30 am EDT Jun 20, 2026
Forecast Valid:
6am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation