Harrison Weather Forecast
- 55
- 80
Mostly Sunny
- 57
- 79
Partly Sunny
- 61
- 81
Partly Sunny
- 65
- 84
Partly Sunny
- 63
- 84
Mostly Sunny
- 61
- 82
Mostly Sunny
Today 23 Aug Vigo
Mostly sunny. Highs around 80. Northwest Winds 5 to 10 Mph.
Tonight 23 Aug Vigo
Mostly clear. Patchy fog toward daybreak. Lows in the mid 50s. North Winds around 5 Mph through the late Overnight, becoming light and variable.
Harrison Temperature Statistics
August Temperature
Terre Haute Regional Airport (7.5 miles)
Lowest 5 August, 2026
60.1 °FAverage August
74.8 °FHighest 10 August, 2026
89.1 °F
Climate (2021–2026)
Terre Haute Regional Airport (7.5 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
55.8 °FAverage High 2021–2026
65.7 °F