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

48°F

9°C

Humidity 48%
Wind Speed Calm
Barometer 29.92 in (1013.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 9 Mar 7:56 pm EDT
Extended Forecast for

Mont Vernon NH

  • Tonight

    Tonight: Clear, with a low around 37. West wind around 5 mph.

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 3am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 40 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 40 percent chance of rain after 7am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 48. East wind 5 to 10 mph.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 2am. Patchy fog. Otherwise, cloudy, with a low around 48. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain before 4pm, then a chance of rain and snow. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely before 11pm, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Clear, with a low around 37. West wind around 5 mph.
Tuesday
Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of rain after 3am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40. Southwest wind around 5 mph becoming northwest after midnight.
Wednesday
A 40 percent chance of rain after 7am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 48. East wind 5 to 10 mph.
Wednesday Night
Rain likely, mainly before 2am. Patchy fog. Otherwise, cloudy, with a low around 48. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
A chance of rain before 4pm, then a chance of rain and snow. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 41.
Friday Night
Snow likely before 11pm, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A 30 percent chance of snow before 9am. Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Cloudy, with a high near 45. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 33. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mont Vernon NH
 42.91°N 71.69°W (Elev. 771 ft)
Last Update:
7:20 pm EDT Mar 9, 2026
Forecast Valid:
8pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation