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Groton, New Hampshire Weather Forecast
Groton, New Hampshire Weather
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Weather Forecast for Groton, New Hampshire : Grafton County
Issued: 12:34 pm EST Dec 22, 2025 Latitude: 43.701739 Longitude: -71.8356365 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Christmas Day Friday Saturday Sunday Monday
Increasing Clouds on Tonight 90% chance of snow on Tuesday 30% chance of snow on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday 30% chance of snow on Saturday 70% chance of snow on Sunday Partly Sunny on Monday
Low: 16°F High: 26°F High: 30°F High: 29°F High: 17°F High: 22°F High: 31°F High: 22°F
Low: 21°F Low: 14°F Low: 8°F Low: 8°F Low: 14°F Low: 14°F  
Increasing Clouds Snow Snow Mostly Cloudy Mostly Cloudy Snow Snow Partly Sunny
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Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 16. Northwest wind around 5 mph becoming calm.

90% chance of snow Tuesday Tuesday... Snow, mainly after noon. High near 26. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

80% chance of snow Tuesday Night Tuesday Night... Snow, mainly before 5am. Low around 21. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

30% chance of snow Wednesday Wednesday... A 30 percent chance of snow before 9am. Mostly cloudy, with a high near 30. Northwest wind 5 to 10 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 14. Northwest wind around 5 mph becoming calm.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 29.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 8.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 17.

50% chance of snow Friday Night Friday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 8.

30% chance of snow Saturday Saturday... A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 22.

30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 14.

70% chance of snow Sunday Sunday... Snow likely. Cloudy, with a high near 31. Chance of precipitation is 70%.

60% chance of snow Sunday Night Sunday Night... Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.

Partly Sunny on Monday Monday... Partly sunny, with a high near 22.

Sun Almanac for Groton, New Hampshire
Sunrise: 07:19 AM
Sunset: 4:14 PM
Civil Sunrise:06:46 AM
Civil Sunset: 4:47 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:23 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 5:58 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.