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

Hazardous Weather Conditions

Current conditions at

Manchester Airport (KMHT)

Lat: 42.93°NLon: 71.44°WElev: 223ft.

Partly Cloudy

14°F

-10°C

Humidity 49%
Wind Speed NW 5 mph
Barometer 30.26 in (1027.0 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 8 Dec 6:53 pm EST
Extended Forecast for

Merrimack NH

  • Tonight

    Tonight: Mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Calm wind becoming south around 5 mph.

    High: 28 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers, mainly before 1am. Cloudy, with a low around 17. South wind around 5 mph becoming calm.

    Low: 17 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Rain, mainly after 11am. High near 36. South wind around 5 mph. Chance of precipitation is 80%.

    High: 36 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 29. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 4. Calm wind.
Tuesday
Increasing clouds, with a high near 28. Calm wind becoming south around 5 mph.
Tuesday Night
A 40 percent chance of snow showers, mainly before 1am. Cloudy, with a low around 17. South wind around 5 mph becoming calm.
Wednesday
Rain, mainly after 11am. High near 36. South wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 29. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 26.
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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:
12:20 pm EST Dec 8, 2025
Forecast Valid:
7pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
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