National Weather Service Forecast for: Swanzey NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 9:48 am EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 44. South wind around 5 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 26. Calm wind.
Mostly Cloudy

 Friday

Friday: A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny
then Chance
Rain
 Friday
Night
Friday Night: Rain likely, mainly between 9pm and 3am. Cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 70%.
Rain Likely

 Saturday

Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.
Chance Rain
then Mostly
Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 33.
Mostly Cloudy

 Sunday

Sunday: A 40 percent chance of rain after 8am. Mostly cloudy, with a high near 53.
Chance Rain

 Sunday
Night
Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Chance
Rain/Snow

 Monday

Monday: A chance of rain and snow before 11am, then a chance of snow between 11am and 3pm. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Chance
Rain/Snow
then Chance
Snow
Hi 44 °F Lo 26 °F Hi 51 °F Lo 36 °F Hi 53 °F Lo 33 °F Hi 53 °F Lo 30 °F Hi 41 °F

 

This Afternoon
 
 Partly sunny, with a high near 44. South wind around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 26. Calm wind.
Friday
 
 A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Rain likely, mainly between 9pm and 3am. Cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 70%.
Saturday
 
 A 30 percent chance of rain before 8am. Partly sunny, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
 
 Mostly cloudy, with a low around 33.
Sunday
 
 A 40 percent chance of rain after 8am. Mostly cloudy, with a high near 53.
Sunday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Monday
 
 A chance of rain and snow before 11am, then a chance of snow between 11am and 3pm. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Monday Night
 
 Partly cloudy, with a low around 19.
Tuesday
 
 Mostly sunny, with a high near 40.
Tuesday Night
 
 Mostly cloudy, with a low around 22.
Wednesday
 
 Mostly sunny, with a high near 44.

 

Forecast from NOAA-NWS for Swanzey NH.