National Weather Service Forecast for: Swanzey NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 12:35 am EST Dec 23, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 19. Calm wind.
Mostly Cloudy

Tuesday

Tuesday: Snow, mainly after 10am.  High near 35. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Snow

Tuesday
Night
Tuesday Night: Snow likely, mainly before 10pm.  Cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Snow Likely
then Chance
Snow
Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Decreasing
Clouds
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 17. Calm wind.
Mostly Cloudy

Christmas
Day
Christmas Day: Mostly cloudy, with a high near 36.
Mostly Cloudy

Thursday
Night
Thursday Night: Partly cloudy, with a low around 10.
Partly Cloudy

Friday

Friday: A 30 percent chance of snow after 5pm.  Mostly cloudy, with a high near 21.
Partly Sunny
then Chance
Snow
Friday
Night
Friday Night: Snow likely, mainly after 9pm.  Cloudy, with a low around 13. Chance of precipitation is 60%.
Snow Likely

Lo 19 °F Hi 35 °F Lo 29 °F Hi 37 °F Lo 17 °F Hi 36 °F Lo 10 °F Hi 21 °F Lo 13 °F

Hazardous Weather Outlook
 

Overnight
 
Mostly cloudy, with a low around 19. Calm wind.
Tuesday
 
Snow, mainly after 10am. High near 35. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
 
Snow likely, mainly before 10pm. Cloudy, with a low around 29. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly cloudy, with a low around 17. Calm wind.
Christmas Day
 
Mostly cloudy, with a high near 36.
Thursday Night
 
Partly cloudy, with a low around 10.
Friday
 
A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 21.
Friday Night
 
Snow likely, mainly after 9pm. Cloudy, with a low around 13. Chance of precipitation is 60%.
Saturday
 
A 40 percent chance of snow before 2pm. Mostly cloudy, with a high near 27.
Saturday Night
 
A 30 percent chance of snow. Cloudy, with a low around 19.
Sunday
 
Rain and snow likely. Cloudy, with a high near 37. Chance of precipitation is 70%.
Sunday Night
 
Rain and snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Monday
 
A 30 percent chance of snow. Partly sunny, with a high near 27.

 

Forecast from NOAA-NWS for Swanzey NH.