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 76%
Wind Speed E 6 mph
Barometer 30.12 in (1021.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 9:51 pm EDT
Extended Forecast for

Chelmsford MA

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, mainly after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 91. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Partly cloudy, with a low around 66. West wind around 9 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. West wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West wind around 6 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Juneteenth
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 91. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 66. West wind around 9 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 60. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 82. Northwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 64. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 84. Southwest wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 65. West wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 90. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.37°W (Elev. 285 ft)
Last Update:
3:26 pm EDT Jun 16, 2025
Forecast Valid:
10pm EDT Jun 16, 2025-6pm EDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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