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

56°F

13°C

Humidity 81%
Wind Speed NW 7 mph
Barometer 30.02 in (1017.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Apr 4:53 am EDT
Extended Forecast for

Merrimack NH

  • Today

    Today: Mostly sunny, with a high near 58. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Increasing clouds, with a low around 35. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. Patchy dense fog before noon. High near 60. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers and
    Patchy Dense
    Fog

  • Sunday Night

    Sunday Night: A 50 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 5 to 10 mph.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51. West wind around 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and noon, then a chance of rain showers after noon. Partly sunny, with a high near 48. Chance of precipitation is 50%.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 58. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
Showers likely, mainly after 2am. Increasing clouds, with a low around 35. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. Patchy dense fog before noon. High near 60. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 51. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A chance of snow showers before 10am, then a chance of rain and snow showers between 10am and noon, then a chance of rain showers after noon. Partly sunny, with a high near 48. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
2:31 am EDT Apr 4, 2026
Forecast Valid:
5am EDT Apr 4, 2026-6pm EDT Apr 10, 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