Three Rivers State Park Weather Forecast
- 79
- 94
Thunderstorms Likely
- 80
- 93
Slight Chance Thunderstorms
- 81
- 94
Hot
- 79
- 97
Chance Thunderstorms
- 78
- 94
Chance Thunderstorms
- 78
- 94
Chance Thunderstorms
- 77
- 94
Chance Thunderstorms
Today 15 Aug Jackson
Mostly sunny. A slight chance of Showers late this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 90s. Northwest Winds around 5 Mph. Chance of rain 70 percent. Heat index Values up to 111.
Tonight 15 Aug Jackson
Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 108 early this evening.
Three Rivers State Park Temperature Statistics
August Temperature
Marianna Municipal Airport (16.2 miles)
Lowest 12 August, 2026
73 °FAverage August
83.1 °FHighest 13 August, 2026
98.1 °F
Climate (2021–2026)
Marianna Municipal Airport (16.2 miles)
Average Low 2021–2026
57.9 °FAverage 2021–2026
68.8 °FAverage High 2021–2026
80.2 °F