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

78°F

26°C

Humidity 58%
Wind Speed Vrbl 5 mph
Barometer 30.25 in (1024.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Sep 4:56 pm EDT
Extended Forecast for

North Chelmsford MA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 61. Light southwest wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers after 3pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 76. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. North wind 3 to 6 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 64. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 50. Light and variable wind. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 61. Light southwest wind.
Thursday
A slight chance of showers after 3pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 3am. Cloudy, then gradually becoming partly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Sunny, with a high near 76. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 48. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 66. Calm wind.
Saturday Night
Mostly cloudy, with a low around 50. Light south wind.
Sunday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 64. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. Light and variable wind. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 65. Light and variable wind becoming northeast around 6 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 64. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 48. Light northeast wind.
Wednesday
Mostly sunny, with a high near 65. East wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
North Chelmsford MA
 42.63°N 71.4°W (Elev. 148 ft)
Last Update:
2:29 pm EDT Sep 16, 2026
Forecast Valid:
5pm EDT Sep 16, 2026-6pm EDT Sep 23, 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