National Weather Service Forecast for: Rochester NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:28 pm EDT Oct 6, 2026
 
Tonight

Tonight: Widespread frost, mainly after 2am.  Otherwise, mostly clear, with a low around 29. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Frost
Wednesday

Wednesday: Widespread frost before 9am.  Otherwise, sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the morning.
Frost then
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 47. Southwest wind around 5 mph.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 46. West wind around 5 mph.
Mostly Clear
Friday

Friday: Sunny, with a high near 64.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 41.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 64.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 43.
Mostly Clear
Lo 29 °F Hi 64 °F Lo 47 °F Hi 71 °F Lo 46 °F Hi 64 °F Lo 41 °F Hi 64 °F Lo 43 °F

Frost Advisory
 

Tonight
 
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 29. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
 
Widespread frost before 9am. Otherwise, sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
 
Partly cloudy, with a low around 47. Southwest wind around 5 mph.
Thursday
 
Sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
 
Mostly clear, with a low around 46. West wind around 5 mph.
Friday
 
Sunny, with a high near 64.
Friday Night
 
Mostly clear, with a low around 41.
Saturday
 
Sunny, with a high near 64.
Saturday Night
 
Mostly clear, with a low around 43.
Sunday
 
Mostly sunny, with a high near 70.
Sunday Night
 
Partly cloudy, with a low around 54.
Columbus Day
 
A 30 percent chance of showers. Partly sunny, with a high near 69.
Monday Night
 
Mostly cloudy, with a low around 50.
Tuesday
 
Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Rochester NH.