Independence Dam State Park Weather Forecast
- 67
- 88
Rain Showers Likely
- 57
- 82
Rain Showers Likely
- 56
- 81
Mostly Sunny
- 59
- 81
Partly Sunny
- 66
- 84
Slight Chance Thunderstorms
- 67
- 88
Chance Rain Showers
Today 4 Sep Defiance
Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. Southwest Winds around 5 Mph, becoming west in the afternoon. Chance of rain 40 percent. Heat index Values in the mid 90s in the afternoon.
Tonight 4 Sep Defiance
Partly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the upper 60s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 70 percent.
Independence Dam State Park Temperature Statistics
September Temperature
Defiance, Defiance Memorial Airport (8.1 miles)
Lowest 1 September, 2026
73 °FAverage September
79.2 °FHighest 1 September, 2026
87.1 °F
Climate (2021–2026)
Defiance, Defiance Memorial Airport (8.1 miles)
Average Low 2021–2026
43.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
62.7 °F