National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Light Snow Fog/Mist

31°F

-1°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 30°F (-1°C)
Visibility 1.50 mi
Wind Chill26°F (-3°C)
Last update 20 Feb 11:56 pm EST
Extended Forecast for

Amherst NH

Winter Storm Warning February 21, 12:37am until February 21, 07:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 21, 12:37am until February 21, 07:00am

    NOW until 7:00am Sat

    Winter Storm Warning

  • Overnight

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 35. Calm wind.

    High: 35 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow between 9pm and 10pm. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph in the afternoon.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 2am. Cloudy, with a low around 23. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly before noon. Cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow likely, mainly before 5am. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 35. Calm wind.
Saturday Night
A slight chance of snow between 9pm and 10pm. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 20%.
Sunday
A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Snow likely, mainly after 2am. Cloudy, with a low around 23. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before noon. Cloudy, with a high near 32. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow before 8pm. Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 39.
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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:
12:22 am EST Feb 21, 2026
Forecast Valid:
12am EST Feb 21, 2026-6pm EST Feb 27, 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