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.

Freezing Fog

31°F

-1°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.22 in (1025.3 mb)
Dewpoint 30°F (-1°C)
Visibility 0.50 mi
Wind Chill26°F (-3°C)
Last update 7 Mar 6:53 am EST
Extended Forecast for

Merrimack NH

  • Today

    Today: Areas of fog before 10am. Otherwise, cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of drizzle before 11pm, then rain likely between 11pm and 2am, then a chance of drizzle after 2am. Mostly cloudy, with a low around 43. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 58. West wind 5 to 10 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. West wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A chance of drizzle before 11pm, then rain likely between 11pm and 2am, then a chance of drizzle after 2am. Mostly cloudy, with a low around 43. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 58. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 32. West wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 63. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 42.
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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:
6:21 am EST Mar 7, 2026
Forecast Valid:
7am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation