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

58°F

14°C

Humidity 44%
Wind Speed N 6 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 May 8:56 am EDT
Extended Forecast for

2 Miles WSW Merrimack NH

  • Today

    Today: Mostly cloudy, with a high near 66. Northwest wind around 5 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. North wind around 5 mph becoming calm after midnight.

    Low: 41 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 11pm. Cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A 30 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 66. Northwest wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 41. North wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 69. Calm wind.
Friday Night
Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 50 percent chance of showers after 11pm. Cloudy, with a low around 44.
Sunday
Showers likely. Cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
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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:
6:48 am EDT May 21, 2026
Forecast Valid:
9am EDT May 21, 2026-6pm EDT May 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