Plain City Weather Forecast
- 68
- 91
Mostly Sunny
- 71
- 91
Mostly Sunny
- 68
- 88
Rain Showers
- 67
- 86
Chance Thunderstorms
- 68
- 87
Chance Thunderstorms
- 67
- 85
Chance Thunderstorms
- 67
- 86
Chance Thunderstorms
Today 5 Jul Madison
Mostly sunny. Near steady Temperatures in the upper 80s. South Winds 5 to 10 Mph.
Tonight 5 Jul Madison
Clear. Lows in the upper 60s. South Winds around 5 Mph early this Evening, becoming light and Variable, then becoming south around 5 Mph after midnight.
Plain City Temperature Statistics
July Temperature
Marysville Union County Airport (8.7 miles)
Lowest 3 July, 2025
63.9 °FAverage July
74.7 °FHighest 3 July, 2025
88.3 °F
Climate (2020–Present)
Marysville Union County Airport (8.7 miles)
Average Low 2020–2025
42.9 °FAverage 2020–2025
52.4 °FAverage High 2020–2025
62 °F