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.

Mostly Cloudy

76°F

24°C

Humidity 62%
Wind Speed NW 6 mph
Barometer 29.92 in (1014.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Jul 11:51 am EDT
Extended Forecast for

Chelmsford MA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. Light west wind.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 85. South wind 5 to 8 mph.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 83. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. West wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. West wind 3 to 6 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. Light west wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 64. South wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 85. South wind 5 to 8 mph.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 83. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. West wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 84. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 62. Light west wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Light southwest wind.
Thursday
A chance of showers. Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.6°N 71.4°W (Elev. 302 ft)
Last Update:
10:46 am EDT Jul 31, 2026
Forecast Valid:
12pm EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation