Portersville Weather Forecast
- 72
- 93
Mostly Sunny
- 69
- 94
Chance Thunderstorms
- 67
- 88
Slight Chance Thunderstorms
- 66
- 88
Mostly Sunny
- 65
- 89
Mostly Sunny
- 62
- 89
Mostly Sunny
Today 18 Aug Dubois
Mostly sunny. Highs in the lower 90s. East Winds up to 5 Mph.
Tonight 18 Aug Dubois
Mostly clear. Lows in the lower 70s. East Winds up to 5 Mph.
Portersville Temperature Statistics
August Temperature
Daviess County Airport (15.5 miles)
Lowest 2 August, 2025
57 °FAverage August
75.3 °FHighest 16 August, 2025
91.4 °F
Climate (2020–Present)
Daviess County Airport (15.5 miles)
Average Low 2020–2025
46.8 °FAverage 2020–2025
56.2 °FAverage High 2020–2025
65.9 °F