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

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in (1021.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 1:51 am EDT
Extended Forecast for

Chelmsford MA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Saturday Night

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

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 62. South wind around 7 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before noon. High near 77. Southeast wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Light northeast wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light north wind.

    High: 84 °F

    Sunny

  • Tuesday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 81. Northwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Showers, mainly after 2am. Low around 62. South wind around 7 mph. Chance of precipitation is 80%.
Monday
Showers, mainly before noon. High near 77. Southeast wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 61. Light northeast wind.
Tuesday
Sunny, with a high near 84. Light north wind.
Tuesday Night
Mostly clear, with a low around 60. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Southwest wind around 5 mph.
Thursday
A chance of showers. Partly sunny, with a high near 85. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80. North wind around 6 mph becoming northeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.34°W (Elev. 144 ft)
Last Update:
1:04 am EDT Aug 15, 2026
Forecast Valid:
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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