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

5°F

-15°C

Humidity 57%
Wind Speed NW 17 mph
Barometer 30.04 in (1019.7 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 31 Jan 12:53 am EST
Extended Forecast for

Merrimack NH

Cold Weather Advisory January 31, 01:00am until January 31, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Overnight

    Overnight: Clear, with a low around -5. Wind chill values as low as -15. Northwest wind around 5 mph.

    Low: -5 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 21. Wind chill values as low as -16. Northwest wind 5 to 10 mph.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 2. Wind chill values as low as -9. North wind 5 to 10 mph.

    Low: 2 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 25. Wind chill values as low as -11. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around -5. Wind chill values as low as -15. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 21. Wind chill values as low as -16. Northwest wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 2. Wind chill values as low as -9. North wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 25. Wind chill values as low as -11. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 11. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 29.
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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:
12:42 am EST Jan 31, 2026
Forecast Valid:
12am EST Jan 31, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation