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

46°F

8°C

Humidity 73%
Wind Speed S 3 mph
Barometer 29.61 in (1004.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Nov 3:53 am EST
Extended Forecast for

Merrimack NH

  • Today

    Today: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 58. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 35. West wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming west around 5 mph in the morning.

    High: 57 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 57. Northwest wind around 5 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Rain Likely

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 58. Light southwest wind becoming west 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 35. West wind around 5 mph becoming calm after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 37. West wind around 5 mph.
Veterans Day
Mostly sunny, with a high near 57. Northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 51.
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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:
1:59 am EST Nov 9, 2026
Forecast Valid:
4am EST Nov 9, 2026-6pm EST Nov 15, 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