NWS Forecast for Rochester NH

National Weather Service Forecast for: Rochester NH
Issued by: National Weather Service Gray/Portland, ME

Updated: 6:00 pm EST Dec 16, 2025

Tonight Decreasing Clouds	Wednesday Mostly Sunny	Wednesday Night Mostly Clear	Thursday Mostly Sunny	Thursday Night Mostly Cloudy then Rain	Friday Rain	Friday Night Chance Rain then Partly Cloudy	Saturday Mostly Sunny	Saturday Night Mostly Cloudy
Lo 20 °F	Hi 40 °F	Lo 23 °F	Hi 43 °F	Lo 34 °F	Hi 53 °F	Lo 21 °F	Hi 34 °F	Lo 24 °F

Hazardous Weather Outlook

Tonight	Cloudy, then gradually becoming partly cloudy, with a low around 20. Calm wind becoming south around 5 mph in the evening.
Wednesday	Mostly sunny, with a high near 40. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night	Mostly clear, with a low around 23. West wind 5 to 10 mph.
Thursday	Mostly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night	Rain, mainly after 1am. Low around 34. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday	Rain, mainly before 2pm. High near 53. Chance of precipitation is 100%.
Friday Night	A 30 percent chance of rain before 7pm. Partly cloudy, with a low around 21.
Saturday	Mostly sunny, with a high near 34.
Saturday Night	Mostly cloudy, with a low around 24.
Sunday	Partly sunny, with a high near 40.
Sunday Night	Partly cloudy, with a low around 18.
Monday	Mostly sunny, with a high near 30.
Monday Night	Partly cloudy, with a low around 15.
Tuesday	A 30 percent chance of snow. Mostly cloudy, with a high near 33.

Forecast from NOAA-NWS for Rochester NH.