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Weather in Merrimack, New Hampshire, USA

Now
-1 °F

Clear.


Feels Like: -11 °F
Forecast: 27 / 2 °F
Wind: 5 mph from North

Location: Manchester Airport
Current Time: Dec 9, 2025 at 6:17:26 am
Latest Report: Dec 9, 2025 at 4:53 am
Visibility: 10 mi
Pressure: 30.27 "Hg
Humidity: 79%
Dew Point: -6 °F
Location of MerrimackLocation

Upcoming 5 hours

Now7:00 am8:00 am9:00 am10:00 am11:00 am
-1 °F4 °F4 °F11 °F16 °F20 °F

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Forecast for the next 48 hours

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 TuesdayWednesday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature11 °F26 °F22 °F27 °F31 °F40 °F36 °F
Sunny.Cloudy.Light snow. Overcast.Light snow. Overcast.Overcast.Rain. Overcast.Light snow. Overcast.
Feels Like5 °F20 °F14 °F19 °F24 °F32 °F28 °F
Wind Speed3 mph5 mph7 mph7 mph8 mph13 mph10 mph
Wind DirectionSW
SSW
S
SSW
S
S
SSW
Humidity62%35%57%87%75%84%86%
Dew Point0 °F2 °F9 °F23 °F24 °F35 °F32 °F
Visibility7 mi6 mi5 mi2 mi5 mi4 mi0 mi
Probability of Precipitation0%0%8%17%0%21%44%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.07"0.03"
Amount of Snow0.00"0.00"0.10"0.15"0.00"0.00"0.09"
* Updated Tuesday, December 9, 2025 2:42:35 am Merrimack time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Passing clouds. 30 / 4 °F
Humidity: 51%. Wind: 12 mph from Northwest

More weather last week

Currently at nearby stations

-3 °F

Nashua / Boire Field: (6 mi)

Clear. (1 hour ago)

9 °F

Lawrence Municipal Airport: (21 mi)

Clear. (1 hour ago)

-5 °F

Concord Municipal Airport: (23 mi)

Clear. (1 hour ago)

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
7
8

View historic weather

24
25
26
27

Detailed forecast for 14 days