Guion Weather Forecast
- 61
- 87
Chance Thunderstorms
- 56
- 72
Chance Rain Showers
- 54
- 69
Mostly Cloudy
- 53
- 68
Mostly Cloudy
- 53
- 70
Mostly Cloudy
- 50
- 71
Partly Sunny
Today 20 Sep Parke
Partly cloudy with a slight chance of Showers and Thunderstorms through early Afternoon, then mostly cloudy with a chance of Showers and Thunderstorms late this afternoon. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming north late this afternoon. Chance of rain 50 percent.
Tonight 20 Sep Parke
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the lower 60s. Northeast Winds around 10 Mph. Gusts up to 20 Mph toward daybreak. Chance of rain 50 percent.
Guion Temperature Statistics
September Temperature
Terre Haute Regional Airport (29.2 miles)
Lowest 14 September, 2026
55 °FAverage September
76.9 °FHighest 1 September, 2026
97 °F
Climate (2021–2026)
Terre Haute Regional Airport (29.2 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
55.8 °FAverage High 2021–2026
65.7 °F