NWS Forecast for Hamilton OH

National Weather Service Forecast for: Hamilton OH
Issued by: National Weather Service Wilmington, OH

Updated: 6:02 pm EST Dec 19, 2025

Overnight Mostly Clear	Saturday Decreasing Clouds	Saturday Night Increasing Clouds	Sunday Sunny	Sunday Night Mostly Clear	Monday Partly Sunny	Monday Night Chance Rain then Rain Likely	Tuesday Cloudy	Tuesday Night Cloudy then Chance Rain
Lo 23 °F	Hi 49 °F	Lo 28 °F	Hi 37 °F	Lo 20 °F	Hi 44 °F	Lo 37 °F	Hi 52 °F	Lo 39 °F

Overnight	Mostly clear, with a low around 23. Calm wind becoming south around 5 mph.
Saturday	Mostly cloudy, then gradually becoming sunny, with a high near 49. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Saturday Night	Increasing clouds, with a low around 28. West wind around 7 mph.
Sunday	Sunny, with a high near 37. Northwest wind 5 to 7 mph.
Sunday Night	Mostly clear, with a low around 20. Calm wind.
Monday	Partly sunny, with a high near 44.
Monday Night	Rain likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%.
Tuesday	Cloudy, with a high near 52.
Tuesday Night	A chance of rain after 1am. Cloudy, with a low around 39. Chance of precipitation is 30%.
Wednesday	Cloudy, with a high near 55.
Wednesday Night	Rain likely. Cloudy, with a low around 49. Chance of precipitation is 60%.
Christmas Day	Cloudy, with a high near 64.
Thursday Night	Mostly cloudy, with a low around 49.
Friday	Mostly cloudy, with a high near 59.

Forecast from NOAA-NWS for Hamilton OH.