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

51°F

11°C

Humidity 50%
Wind Speed SW 6 mph
Barometer 29.96 in (1015.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 9 Mar 11:51 pm EDT
Extended Forecast for

Chelmsford MA

  • Overnight

    Overnight: Mostly clear, with a low around 41. Southwest wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Southwest wind 3 to 7 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 42. Southwest wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of light rain, mainly after 10am. Patchy fog. Otherwise, cloudy, with a high near 53. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance Light
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 60. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm. Mostly cloudy, with a low around 27. West wind around 9 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West wind 6 to 9 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely, mainly between 7pm and 2am. Mostly cloudy, with a low around 33. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 41. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 74. Southwest wind 3 to 7 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 42. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
A chance of light rain, mainly after 10am. Patchy fog. Otherwise, cloudy, with a high near 53. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 60. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 10pm. Mostly cloudy, with a low around 27. West wind around 9 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 44. West wind 6 to 9 mph becoming southwest in the afternoon.
Friday Night
Rain and snow likely, mainly between 7pm and 2am. Mostly cloudy, with a low around 33. South wind around 8 mph. Chance of precipitation is 60%.
Saturday
A chance of rain and snow before 9am. Mostly sunny, with a high near 47. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 29. West wind 3 to 7 mph.
Sunday
A chance of rain and snow. Cloudy, with a high near 51. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 40%.
Sunday Night
Rain likely. Cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday
Rain likely. Cloudy, with a high near 52. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chelmsford MA
 42.58°N 71.38°W (Elev. 180 ft)
Last Update:
10:48 pm EDT Mar 9, 2026
Forecast Valid:
12am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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