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.

Fair

51°F

11°C

Humidity 27%
Wind Speed S 12 G 20 mph
Barometer 30.26 in (1026.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 25 Mar 1:53 pm EDT
Extended Forecast for

Merrimack NH

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. West wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 38. South wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain before 11am, then a slight chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 41. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain likely before 11am, then a chance of showers between 11am and 1pm. Partly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. West wind 5 to 10 mph.
Tonight
A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 38. South wind around 5 mph.
Thursday
A chance of rain before 11am, then a slight chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after 8pm. Low around 41. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%.
Friday
Rain likely before 11am, then a chance of showers between 11am and 1pm. Partly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
2:22 pm EDT Mar 25, 2026
Forecast Valid:
2pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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