Ross County Weather Forecast
- 55
- 66
Rain Showers Likely
- 44
- 70
Partly Sunny
- 45
- 69
Mostly Sunny
- 47
- 70
Mostly Sunny
- 48
- 71
Partly Sunny
- 52
- 73
Partly Sunny
Today 23 Sep Ross
Cloudy. A chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 23 Sep Ross
Cloudy. Showers likely with a chance of Thunderstorms in the evening. Lows in the mid 50s. East Winds 5 to 10 Mph. Chance of rain 70 percent.
Ross County Temperature Statistics
September Temperature
Chillicothe Ross County Airport (7.5 miles)
Lowest 15 September, 2026
50 °FAverage September
73.2 °FHighest 3 September, 2026
95 °F
Climate (2021–2026)
Chillicothe Ross County Airport (7.5 miles)
Average Low 2021–2026
43.5 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
64.5 °F