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

49°F

9°C

Humidity 97%
Wind Speed Calm
Barometer 29.81 in (1009.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Jun 1:56 am EDT
Extended Forecast for

Amherst NH

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 77. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 77 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 53. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 56. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 77. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. West wind around 5 mph.
Juneteenth
Sunny, with a high near 81.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Showers likely. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Amherst NH
 42.88°N 71.64°W (Elev. 305 ft)
Last Update:
2:39 am EDT Jun 17, 2026
Forecast Valid:
2am EDT Jun 17, 2026-6pm EDT Jun 23, 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