National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Partly Cloudy

24°F

-4°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.06 in (1019.5 mb)
Dewpoint 23°F (-5°C)
Visibility 7.00 mi
Last update 18 Jan 4:51 am EST
Extended Forecast for

Chelmsford MA

Winter Weather Advisory January 18, 07:00am until January 19, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow. Patchy fog after 9am. High near 37. Light and variable wind. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 37 °F

    Snow and
    Patchy Fog
    then Snow
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Snow. Patchy fog before 1am, then patchy fog after 2am. Patchy freezing fog between 1am and 2am. Low around 26. Calm wind becoming north around 5 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 26 °F

    Snow and
    Patchy
    Freezing Fog

  • M.L.King Day

    M.L.King Day: Snow showers likely, mainly before 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 33. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Showers
    Likely and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Southwest wind 8 to 13 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8. West wind 7 to 13 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. South wind 5 to 7 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 10pm. Mostly cloudy, with a low around 23. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow showers before 10am. Partly sunny, with a high near 37. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    Showers then
    Partly Sunny

Detailed Forecast

Today
Snow. Patchy fog after 9am. High near 37. Light and variable wind. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Patchy fog before 1am, then patchy fog after 2am. Patchy freezing fog between 1am and 2am. Low around 26. Calm wind becoming north around 5 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
M.L.King Day
Snow showers likely, mainly before 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 33. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 16. Southwest wind 8 to 13 mph.
Tuesday
Mostly sunny, with a high near 23. West wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind 7 to 13 mph.
Wednesday
Mostly sunny, with a high near 29. South wind 5 to 7 mph.
Wednesday Night
A chance of snow showers after 10pm. Mostly cloudy, with a low around 23. South wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 10am. Partly sunny, with a high near 37. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 15. West wind around 7 mph.
Friday
Mostly sunny, with a high near 27. West wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 19. Southwest wind around 5 mph.
Saturday
A chance of snow showers. Partly sunny, with a high near 30. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
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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:
2:21 am EST Jan 18, 2026
Forecast Valid:
5am EST Jan 18, 2026-6pm EST Jan 24, 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