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

28°F

-2°C

Humidity 55%
Wind Speed Calm
Barometer 30.55 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 29 Mar 7:56 am EDT
Extended Forecast for

Amherst NH

  • Today

    Today: Mostly sunny, with a high near 50. Southwest wind 5 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind around 5 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance Rain
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    T-storms then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 50. Southwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 34. Southwest wind around 5 mph.
Monday
Mostly cloudy, with a high near 62. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30.
Friday
Rain and snow likely. Cloudy, with a high near 40. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Amherst NH
 42.87°N 71.61°W (Elev. 276 ft)
Last Update:
6:22 am EDT Mar 29, 2026
Forecast Valid:
8am EDT Mar 29, 2026-6pm EDT Apr 4, 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