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

Manchester Airport (KMHT)

Lat: 42.93°NLon: 71.44°WElev: 223ft.

Mostly Cloudy

74°F

23°C

Humidity 27%
Wind Speed S 14 G 25 mph
Barometer 30.02 in (1017.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Apr 4:53 pm EDT
Extended Forecast for

Merrimack NH

  • Tonight

    Tonight: Showers likely, mainly after 1am. Increasing clouds, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 55. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.

    High: 58 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 41. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly after 1am. Increasing clouds, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 55. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 41. South wind around 5 mph. Chance of precipitation is 60%.
Monday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 52.
Wednesday
A 30 percent chance of showers before 9am. Mostly cloudy, with a high near 74.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
2:34 pm EDT Apr 10, 2026
Forecast Valid:
5pm EDT Apr 10, 2026-6pm EDT Apr 17, 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