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

37°F

3°C

Humidity 93%
Wind Speed N 7 mph
Barometer 29.75 in (1009.2 mb)
Dewpoint 35°F (2°C)
Visibility 9.00 mi
Wind Chill32°F (0°C)
Last update 22 Mar 7:53 pm EDT
Extended Forecast for

Merrimack NH

  • Tonight

    Tonight: A 30 percent chance of rain. Cloudy, with a low around 31. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance Rain

  • Monday

    Monday: A chance of snow showers before 11am, then a chance of rain showers after 3pm. Cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and 2am. Mostly cloudy, with a low around 25. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Sunny, with a high near 46. Northwest wind around 5 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 11pm, then rain and snow likely between 11pm and 5am, then rain likely after 5am. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
A 30 percent chance of rain. Cloudy, with a low around 31. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of snow showers before 11am, then a chance of rain showers after 3pm. Cloudy, with a high near 40. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers between 9pm and 2am. Mostly cloudy, with a low around 25. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 46. Northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 28. Calm wind becoming southwest around 5 mph.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 54.
Thursday Night
Rain likely before 11pm, then rain and snow likely between 11pm and 5am, then rain likely after 5am. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain before 11am. Partly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 48.
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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:
7:11 pm EDT Mar 22, 2026
Forecast Valid:
8pm EDT Mar 22, 2026-6pm EDT Mar 29, 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