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.

Mostly Cloudy

74°F

23°C

Humidity 52%
Wind Speed W 15 G 22 mph
Barometer 29.59 in (1002.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 10:56 am EDT
Extended Forecast for

Amherst NH

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 76. Northwest wind around 15 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 56. Calm wind.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 56. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 76. Northwest wind around 15 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Increasing clouds, with a low around 56. Calm wind.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers. Low around 56. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
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:
10:32 am EDT Jun 20, 2026
Forecast Valid:
11am EDT Jun 20, 2026-6pm EDT Jun 26, 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