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.

Partly Cloudy

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 29.79 in (1008.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Aug 3:56 am EDT
Extended Forecast for

2 Miles WSW Merrimack NH

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
A slight chance of showers between 1am and 3am. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Showers likely, mainly between 11pm and 3am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Merrimack NH
 42.84°N 71.52°W (Elev. 430 ft)
Last Update:
2:29 am EDT Aug 12, 2026
Forecast Valid:
4am EDT Aug 12, 2026-6pm EDT Aug 18, 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