National Weather Service Forecast for: Bow 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 41. South wind 5 to 10 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. South wind around 5 mph becoming southwest after midnight.
Decreasing
Clouds
 Friday

Friday: A 20 percent chance of rain after 3pm. Increasing clouds, with a high near 51. West wind around 5 mph becoming south in the afternoon.
Mostly Sunny
then Slight
Chance Rain
 Friday
Night
Friday Night: Rain likely, mainly between 10pm and 4am. Cloudy, with a low around 37. South wind 5 to 10 mph. Chance of precipitation is 70%.
Rain Likely

 Saturday

Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 52. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Chance Rain
then Partly
Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 33.
Mostly Cloudy

 Sunday

Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Chance Rain

 Sunday
Night
Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Chance
Rain/Snow
 Monday

Monday: A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 40.
Chance Snow
Hi 41 °F Lo 27 °F Hi 51 °F Lo 37 °F Hi 52 °F Lo 33 °F Hi 49 °F Lo 28 °F Hi 40 °F

 

This Afternoon
 
 Partly sunny, with a high near 41. South wind 5 to 10 mph.
Tonight
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 27. South wind around 5 mph becoming southwest after midnight.
Friday
 
 A 20 percent chance of rain after 3pm. Increasing clouds, with a high near 51. West wind around 5 mph becoming south in the afternoon.
Friday Night
 
 Rain likely, mainly between 10pm and 4am. Cloudy, with a low around 37. South wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
 
 A 30 percent chance of rain before 8am. Partly sunny, with a high near 52. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Mostly cloudy, with a low around 33.
Sunday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Sunday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Monday
 
 A 40 percent chance of snow before 4pm. Mostly cloudy, with a high near 40.
Monday Night
 
 Partly cloudy, with a low around 20.
Tuesday
 
 Mostly sunny, with a high near 40.
Tuesday Night
 
 Mostly cloudy, with a low around 22.
Wednesday
 
 Mostly sunny, with a high near 43.

 

Forecast from NOAA-NWS for Bow NH.