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.

Rain Fog/Mist

43°F

6°C

Humidity 89%
Wind Speed S 8 mph
Barometer 29.70 in (1007.3 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 22 Mar 3:51 pm EDT
Extended Forecast for

Chelmsford MA

  • This Afternoon

    This Afternoon: Rain. Patchy fog. High near 43. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Snow likely, possibly mixed with rain before 4am, then snow likely, possibly mixed with rain and sleet. Patchy fog before 11pm. Otherwise, cloudy, with a low around 33. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Rain Likely
    and Patchy
    Fog then
    Wintry Mix
    Likely

  • Monday

    Monday: Snow showers likely, possibly mixed with sleet before 8am, then a chance of snow showers. Cloudy, with a high near 38. North wind 7 to 10 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

    High: 38 °F

    Snow/Sleet
    Likely then
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 29. Northwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 47. Northwest wind around 6 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 5pm. Partly sunny, with a high near 55. South wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Rain. Patchy fog. High near 43. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Snow likely, possibly mixed with rain before 4am, then snow likely, possibly mixed with rain and sleet. Patchy fog before 11pm. Otherwise, cloudy, with a low around 33. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Monday
Snow showers likely, possibly mixed with sleet before 8am, then a chance of snow showers. Cloudy, with a high near 38. North wind 7 to 10 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.
Monday Night
Snow showers likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 29. Northwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Sunny, with a high near 47. Northwest wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 53. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind around 7 mph.
Thursday
A chance of rain after 5pm. Partly sunny, with a high near 55. South wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 41. South wind 7 to 9 mph. Chance of precipitation is 70%.
Friday
A chance of rain. Partly sunny, with a high near 52. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 21. Northwest wind around 7 mph.
Saturday
Sunny, with a high near 40. West wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 25. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.58°N 71.38°W (Elev. 180 ft)
Last Update:
3:45 pm EDT Mar 22, 2026
Forecast Valid:
4pm EDT Mar 22, 2026-6pm EDT Mar 29, 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