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.

Overcast

41°F

5°C

Humidity 96%
Wind Speed Calm
Barometer 29.73 in (1006.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 Mar 2:56 am EDT
Extended Forecast for

Amherst NH

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 9am, then rain and snow likely between 9am and 10am, then rain after 10am. High near 48. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain likely before 3am, then snow likely. Cloudy, with a low around 30. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 32. Calm wind.
Sunday
A chance of snow before 9am, then rain and snow likely between 9am and 10am, then rain after 10am. High near 48. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely before 3am, then snow likely. Cloudy, with a low around 30. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Amherst NH
 42.87°N 71.61°W (Elev. 276 ft)
Last Update:
2:17 am EDT Mar 21, 2026
Forecast Valid:
3am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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