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.

Fair

48°F

9°C

Humidity 34%
Wind Speed N 13 mph
Barometer 30.30 in (1027.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Apr 8:53 pm EDT
Extended Forecast for

Merrimack NH

  • Tonight

    Tonight: Clear, with a low around 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 10pm. Low around 40. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers

  • Monday

    Monday: Showers likely before 8am, then a chance of showers after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. West wind around 5 mph.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 5am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 34. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Showers, mainly after 10pm. Low around 40. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely before 8am, then a chance of showers after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. West wind around 5 mph.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers before 5am. Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 76.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 71.
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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:
7:43 pm EDT Apr 11, 2026
Forecast Valid:
9pm EDT Apr 11, 2026-6pm EDT Apr 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