Post Oak Weather Forecast
- 72
- 94
Mostly Sunny
- 73
- 95
Mostly Sunny
- 69
- 94
Partly Sunny
- 66
- 85
Rain Showers Likely
- 62
- 78
Chance Rain Showers
- 60
- 77
Slight Chance Thunderstorms
Today 17 Sep Johnson
Mostly sunny. Hot with Highs in the mid 90s. South Winds 5 to 10 Mph, becoming southwest this afternoon. Heat index Values up to 102.
Tonight 17 Sep Johnson
Mostly clear. Lows in the lower 70s. South Winds around 5 Mph.
Post Oak Temperature Statistics
September Temperature
Clinton, MO (14.9 miles)
Lowest 12 September, 2026
62.6 °FAverage September
82.3 °FHighest 8 September, 2026
102.2 °F
Climate (2021–2026)
Clinton, MO (14.9 miles)
Average Low 2021–2026
46.9 °FAverage 2021–2026
57.9 °FAverage High 2021–2026
68.8 °F