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

29°F

-2°C

Humidity 75%
Wind Speed NW 10 mph
Barometer 30.46 in (1031.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 15 Mar 6:56 am EDT
Extended Forecast for

Amherst NH

  • Today

    Today: Partly sunny, with a high near 44. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Rain likely, mainly after 5am. Increasing clouds, with a low around 31. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Partly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am. High near 59. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 36. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    Low: 36 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 43 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 44. Northwest wind around 5 mph becoming southeast in the afternoon.
Tonight
Rain likely, mainly after 5am. Increasing clouds, with a low around 31. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. High near 59. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain. Low around 36. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 51.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
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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:
3:09 am EDT Mar 15, 2026
Forecast Valid:
7am EDT Mar 15, 2026-6pm EDT Mar 21, 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