Dennison Weather Forecast
- 69
- 85
Thunderstorms
- 69
- 87
Partly Sunny
- 74
- 92
Mostly Sunny
- 73
- 92
Chance Thunderstorms
- 73
- 89
Chance Thunderstorms
- 73
- 89
Chance Thunderstorms
- 73
- 89
Chance Thunderstorms
Today 21 Jul Clark
Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. East Winds around 5 Mph. Chance of rain 20 percent.
Tonight 21 Jul Clark
Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 20 percent.
Dennison Temperature Statistics
July Temperature
Terre Haute Regional Airport (14.3 miles)
Lowest 8 July, 2025
63 °FAverage July
78.8 °FHighest 5 July, 2025
93.9 °F
Climate (2020–Present)
Terre Haute Regional Airport (14.3 miles)
Average Low 2020–2025
45.6 °FAverage 2020–2025
55.3 °FAverage High 2020–2025
65.4 °F