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.

Overcast

63°F

17°C

Humidity 70%
Wind Speed W 7 mph
Barometer 29.89 in (1013.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Oct 9:51 pm EDT
Extended Forecast for

Chelmsford MA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Northwest wind 6 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 5 to 9 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 3am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 30%.

    Low: 43 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers. Patchy fog before 2pm. High near 65. Southeast wind 6 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Patchy fog between 8pm and 10pm. Otherwise, cloudy, with a low around 42. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 33 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 10pm. Otherwise, mostly clear, with a low around 31. West wind around 6 mph.

    Low: 31 °F

    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 54. West wind around 6 mph.

    High: 54 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 60. North wind 5 to 9 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers, mainly after 3am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 30%.
Friday
Showers. Patchy fog before 2pm. High near 65. Southeast wind 6 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before midnight. Patchy fog between 8pm and 10pm. Otherwise, cloudy, with a low around 42. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 33 mph.
Saturday Night
Patchy frost after 10pm. Otherwise, mostly clear, with a low around 31. West wind around 6 mph.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 54. West wind around 6 mph.
Sunday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 35. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 62. Southwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 41. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 65. West wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 62. Light northeast wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.34°W (Elev. 144 ft)
Last Update:
8:54 pm EDT Oct 14, 2026
Forecast Valid:
10pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation