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Weather in Merrimack, New Hampshire, USA

Now
74 °F

Clear.


Feels Like: 76 °F
Forecast: 94 / 65 °F
Wind: 7 mph from South

Location: Manchester Airport
Current Time: Aug 13, 2025 at 1:20:51 am
Latest Report: Aug 13, 2025 at 12:53 am
Visibility: 10 mi
Pressure: 29.95 "Hg
Humidity: 67%
Dew Point: 62 °F
Location of MerrimackLocation

Upcoming 5 hours

Now2:00 am3:00 am4:00 am5:00 am6:00 am
74 °F69 °F68 °F67 °F66 °F66 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature68 °F78 °F93 °F80 °F73 °F76 °F86 °F
Scatt­erred clouds.Mostly sunny.Isolated thunder­storms. Mostly cloudy.Thundershowers. Overcast.Passing showers. Overcast.Isolated thunder­storms. Overcast.Isolated thunder­storms. Overcast.
Feels Like68 °F79 °F96 °F83 °F70 °F77 °F90 °F
Wind Speed3 mph3 mph7 mph6 mph3 mph2 mph3 mph
Wind DirectionSW
SSW
WSW
W
WSW
W
NW
Humidity87%70%41%75%92%84%57%
Dew Point64 °F67 °F66 °F71 °F70 °F71 °F69 °F
Visibility7 mi8 mi8 mi4 mi6 mi6 mi4 mi
Probability of Precipitation0%0%3%13%21%5%9%
Amount of Rain0.00"0.00"0.01"0.03"0.01"0.03"0.05"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Tuesday, August 12, 2025 9:42:36 pm Merrimack time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Passing clouds. 94 / 64 °F
Humidity: 55%. Wind: 4 mph from Southeast

More weather last week

Currently at nearby stations

72 °F

Nashua / Boire Field: (6 mi)

Clear.

73 °F

Lawrence Municipal Airport: (21 mi)

Clear.

71 °F

Concord Municipal Airport: (23 mi)

Clear.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
10
11
12

View historic weather

28
29
30

Detailed forecast for 14 days