45672 Weather (Chillicothe, OH)

Weather forecast for: Chillicothe OH

Last Update: 1:33 pm EDT Sep 3, 2026

This Afternoon: Sunny, with a high near 96. Heat index values as high as 106. West wind around 6 mph.

Tonight: A slight chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.

Friday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Friday Night: A chance of showers and thunderstorms after 2am. Clear, then becoming mostly cloudy toward daybreak, with a low around 71. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Sunny, with a high near 83.

Sunday Night: Mostly clear, with a low around 59.

Labor Day: Mostly sunny, with a high near 85.

Monday Night: Partly cloudy, with a low around 62.

Tuesday: Mostly sunny, with a high near 88.

Tuesday Night: Partly cloudy, with a low around 67.

Wednesday: Mostly sunny, with a high near 92.