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

71°F

22°C

Humidity 59%
Wind Speed NW 7 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 4:56 pm EDT
Extended Forecast for

3 Miles WSW North Chelmsford MA

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 49. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers likely, mainly after 10am. Patchy fog. Otherwise, cloudy, with a high near 61. East wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog before 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 56. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. West wind 5 to 8 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind 3 to 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. Northwest wind 6 to 8 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, mainly after 7am. High near 61. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 40. West wind 9 to 14 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 49. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 40%.
Tuesday
Showers likely, mainly after 10am. Patchy fog. Otherwise, cloudy, with a high near 61. East wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog before 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 56. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 62. Northwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 41. Calm wind.
Friday
Showers, mainly after 7am. High near 61. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%.
Friday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 40. West wind 9 to 14 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 50. Northwest wind 15 to 17 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 52. West wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 35. Calm wind.
Monday
Mostly sunny, with a high near 62. Southwest wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW North Chelmsford MA
 42.63°N 71.43°W (Elev. 197 ft)
Last Update:
2:04 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation