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 56%
Wind Speed SE 5 mph
Barometer 30.37 in (1028.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 19 Mar 12:56 am EDT
Extended Forecast for

Amherst NH

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a chance of rain and snow between 10pm and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Calm wind.
Thursday
Mostly sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Calm wind.
Friday
Increasing clouds, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
Sunday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Monday
A 40 percent chance of snow before 2pm. Mostly cloudy, with a high near 42.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 44.
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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:
1:08 am EDT Mar 19, 2026
Forecast Valid:
1am EDT Mar 19, 2026-6pm EDT Mar 25, 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