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

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

54°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 30.13 in (1020.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 31 Aug 6:56 am EDT
Extended Forecast for

North Chelmsford MA

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Increasing clouds, with a low around 61. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers, mainly before noon. The rain could be heavy at times. Patchy fog. High near 71. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Heavy Rain
    and Patchy
    Fog then
    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 2am. Cloudy, with a low around 57. Light east wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Cloudy, with a high near 73. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 59. Light southeast wind. Chance of precipitation is 90%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 4pm. Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind.
Tonight
Showers likely, mainly after 4am. Increasing clouds, with a low around 61. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers, mainly before noon. The rain could be heavy at times. Patchy fog. High near 71. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers, mainly before 2am. Cloudy, with a low around 57. Light east wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly after 2pm. Cloudy, with a high near 73. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 59. Light southeast wind. Chance of precipitation is 90%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.
Friday
A chance of showers after 4pm. Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 7pm. Partly cloudy, with a low around 57. Light north wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 74. North wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 54. Calm wind.
Sunday
Mostly sunny, with a high near 75. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Chelmsford MA
 42.65°N 71.39°W (Elev. 98 ft)
Last Update:
6:40 am EDT Aug 31, 2026
Forecast Valid:
7am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
 
Forecast Discussion
 
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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