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.

Partly Cloudy

66°F

19°C

Humidity 68%
Wind Speed SE 7 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 3:56 pm EDT
Extended Forecast for

Amherst NH

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm. Partly sunny, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58. Light northeast wind becoming east 5 to 10 mph in the morning.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 5am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Cloudy then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely before 9am, then rain, mainly after 9am. Patchy fog before 9am. High near 50. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    High: 50 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Partly sunny, with a high near 66. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 46. Calm wind.
Saturday
Mostly cloudy, with a high near 58. Light northeast wind becoming east 5 to 10 mph in the morning.
Saturday Night
A 30 percent chance of showers after 5am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. Calm wind.
Sunday
Showers likely before 9am, then rain, mainly after 9am. Patchy fog before 9am. High near 50. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 63.
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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:
2:40 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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