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.

Overcast

64°F

18°C

Humidity 41%
Wind Speed S 6 mph
Barometer 29.69 in (1006.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 26 Mar 5:53 pm EDT
Extended Forecast for

Merrimack NH

  • Tonight

    Tonight: Rain, mainly before 2am, then a chance of showers after 2am. Patchy fog after 7pm. Low around 37. Southwest wind 5 to 10 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 45. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. North wind around 5 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 36. Northwest wind 5 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 2am, then a chance of showers after 2am. Patchy fog after 7pm. Low around 37. Southwest wind 5 to 10 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 45. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 22. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 36. Northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 21. Calm wind.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain after 9am. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 43.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
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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:
4:46 pm EDT Mar 26, 2026
Forecast Valid:
6pm EDT Mar 26, 2026-6pm EDT Apr 2, 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