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Merrimack, New Hampshire Weather Forecast
Merrimack, New Hampshire Weather
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Click for Hazardous Weather Outlook for Merrimack, New Hampshire
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Weather Forecast for Merrimack, New Hampshire : Hillsborough County
Issued: 6:43 am EDT Nov 1, 2025 Latitude: 42.8650864 Longitude: -71.4934004 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Mostly Clear on Tonight Sunny on Sunday 30% chance of rain on Monday 30% chance of rain on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Thursday Mostly Sunny on Friday
High: 55°F Low: 31°F High: 54°F High: 60°F High: 56°F High: 56°F High: 53°F High: 52°F
Low: 30°F Low: 41°F Low: 35°F Low: 38°F Low: 30°F  
Sunny Mostly Clear Sunny Rain Rain Mostly Sunny Rain Mostly Sunny
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Current Conditions at
MANCHESTER - (KMHT)
46°
Feels like 41°F
Cloudy
as of 5:53 AM EDST
Rel. Humidity: 52%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.52 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 20 MPH
270° West
Cloud Level(s): Solid Overcast at 20000ft
Current Conditions at
NASHUA/BOIRE FIELD - (KASH)
46°
Feels like 41°F
Mostly Clear
as of 5:56 AM EDST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
270° West
Cloud Level(s): Few at 4100ft
Current Conditions at
LAWRENCE - (KLWM)
46°
Feels like 41°F
Clear
as of 5:54 AM EDST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 25 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
ORANGE - (KORE)
45°
Feels like 38°F
Clear
as of 5:52 AM EDST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 25 MPH
260° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 55. West wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 31. West wind around 5 mph.
Sunny on Sunday Sunday... Sunny, with a high near 54. West wind around 5 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 30. Calm wind.
30% chance of rain Monday Monday... A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 60. Light southwest wind increasing to 5 to 10 mph in the afternoon.
70% chance of rain Monday Night Monday Night... Showers likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
30% chance of rain Tuesday Tuesday... A 30 percent chance of showers before 8am. Sunny, with a high near 56.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 35.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.
50% chance of rain Wednesday Night Wednesday Night... A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 38.
40% chance of rain Thursday Thursday... A 40 percent chance of showers. Mostly sunny, with a high near 53.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 30.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 52.
Current Radar Image


Sun Almanac for Merrimack, New Hampshire
Sunrise: 07:21 AM
Sunset: 5:38 PM
Civil Sunrise:06:51 AM
Civil Sunset: 6:08 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 6:41 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 7:14 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.