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.

Mostly Cloudy

58°F

14°C

Humidity 29%
Wind Speed N 16 G 23 mph
Barometer 30.09 in (1020.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 May 11:53 am EDT
Extended Forecast for

Merrimack NH

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. Northwest wind around 10 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 2am. Patchy fog between 4am and 5am. Otherwise, cloudy, with a low around 47. South wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Patchy fog before 8am. High near 63. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 63 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Patchy fog after 10pm. Low around 44. Chance of precipitation is 100%.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 2pm. Patchy fog before 9am. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. Northwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 42. Calm wind.
Wednesday
A chance of showers before 1pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 2am. Patchy fog between 4am and 5am. Otherwise, cloudy, with a low around 47. South wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
Rain. Patchy fog before 8am. High near 63. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Rain. Patchy fog after 10pm. Low around 44. Chance of precipitation is 100%.
Friday
Rain, mainly before 2pm. Patchy fog before 9am. High near 59. Chance of precipitation is 80%.
Friday Night
A chance of rain before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrimack NH
 42.85°N 71.46°W (Elev. 194 ft)
Last Update:
8:41 am EDT May 12, 2026
Forecast Valid:
12pm EDT May 12, 2026-6pm EDT May 18, 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