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.

Light Rain

42°F

6°C

Humidity 85%
Wind Speed SE 9 mph
Barometer 30.19 in (1023.9 mb)
Dewpoint 38°F (3°C)
Visibility 9.00 mi
Wind Chill37°F (3°C)
Last update 13 Apr 2:53 am EDT
Extended Forecast for

Merrimack NH

  • Overnight

    Overnight: A 50 percent chance of rain. Cloudy, with a low around 44. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 44. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 55. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A chance of showers before 10am, then a chance of showers after noon. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 72.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
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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:
2:19 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 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