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 68%
Wind Speed Calm
Barometer 30.05 in (1017.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 31 Aug 7:56 pm EDT
Extended Forecast for

Amherst NH

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after 11am. High near 70. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 56. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm. Low around 59. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. Calm wind.
Tuesday
Rain, with thunderstorms also possible after 11am. High near 70. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 56. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Showers, mainly after 10pm. Low around 59. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 78. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Labor Day
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Amherst NH
 42.85°N 71.64°W (Elev. 348 ft)
Last Update:
7:22 pm EDT Aug 31, 2026
Forecast Valid:
8pm EDT Aug 31, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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