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.

Partly Cloudy

35°F

2°C

Humidity 28%
Wind Speed NW 13 G 25 mph
Barometer 30.35 in (1029.7 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 28 Mar 12:53 pm EDT
Extended Forecast for

Merrimack NH

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Northwest wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 21. West wind around 5 mph becoming calm after midnight.

    Low: 21 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain after 8am. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 21. West wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 49. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 34. South wind around 5 mph.
Monday
Partly sunny, with a high near 62. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 50 percent chance of rain after 8am. Mostly cloudy, with a high near 62.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
Rain likely, mainly after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 29.
Friday
A 40 percent chance of snow. Cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
7:00 am EDT Mar 28, 2026
Forecast Valid:
1pm EDT Mar 28, 2026-6pm EDT Apr 3, 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