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Weather in Merrimack, New Hampshire, USA

Now
1 °F

Clear.


Feels Like: 1 °F
Forecast: 30 / 9 °F
Wind: No wind

Location: Manchester Airport
Current Time: Jan 21, 2026 at 6:39:41 am
Latest Report: Jan 21, 2026 at 5:53 am
Visibility: 10 mi
Pressure: 30.51 "Hg
Humidity: 79%
Dew Point: -4 °F
Location of MerrimackLocation

Upcoming 5 hours

Now7:00 am8:00 am9:00 am10:00 am11:00 am
1 °F10 °F11 °F15 °F19 °F23 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature15 °F29 °F27 °F35 °F36 °F42 °F29 °F
Sunny.Overcast.Snow. Overcast.Snow. Cloudy.Mostly sunny.Sprin­kles. Mostly sunny.Partly cloudy.
Feels Like5 °F21 °F18 °F27 °F28 °F36 °F19 °F
Wind Speed7 mph8 mph8 mph12 mph10 mph11 mph12 mph
Wind DirectionSW
SSW
S
SSW
WSW
WSW
W
Humidity51%33%70%72%66%44%54%
Dew Point1 °F4 °F18 °F27 °F26 °F22 °F14 °F
Visibility8 mi7 mi2 mi2 mi6 mi6 mi7 mi
Probability of Precipitation0%0%26%48%3%10%4%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.01"0.00"
Amount of Snow0.00"0.00"0.57"0.52"0.00"0.00"0.00"
* Updated Wednesday, January 21, 2026 2:42:40 am Merrimack time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Clear. 22 / 9 °F
Humidity: 54%. Wind: 8 mph from West

More weather last week

Currently at nearby stations

8 °F

Nashua / Boire Field: (6 mi)

Clear.

9 °F

Lawrence Municipal Airport: (21 mi)

Clear.

-3 °F

Concord Municipal Airport: (23 mi)

Clear.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days