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

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in (1011.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 6:56 am EDT
Extended Forecast for

Amherst NH

  • Today

    Today: Scattered showers between 3pm and 5pm, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely after 11pm. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely and
    Areas Fog

  • Thursday

    Thursday: Scattered showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 71. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Mostly cloudy, with a high near 71. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers between 3pm and 5pm, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms, then showers likely after 11pm. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Scattered showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 71. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.
Friday
Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Mostly cloudy, with a high near 71. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 48.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow showers. Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Amherst NH
 42.87°N 71.61°W (Elev. 276 ft)
Last Update:
6:50 am EDT Apr 15, 2026
Forecast Valid:
7am EDT Apr 15, 2026-6pm EDT Apr 21, 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