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.

Fair

34°F

1°C

Humidity 76%
Wind Speed SW 3 mph
Barometer 30.01 in (1017.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 1 Dec 3:53 am EST
Extended Forecast for

Merrimack NH

Winter Storm Watch December 2, 07:00am until December 3, 01:00am
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Sunny, with a high near 36. West wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Calm wind.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow before 4pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 34. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 34 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before midnight. Low around 22. North wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 35. Northwest wind 5 to 10 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 36. West wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a low around 18. Calm wind.
Tuesday
Snow before 4pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 34. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
Snow, mainly before midnight. Low around 22. North wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Sunny, with a high near 35. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 3.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 34.
Saturday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.85°N 71.46°W (Elev. 194 ft)
Last Update:
12:50 am EST Dec 1, 2025
Forecast Valid:
4am EST Dec 1, 2025-6pm EST Dec 7, 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