Harrison Weather Forecast
- 62
- 81
Becoming Sunny
- 64
- 82
Partly Sunny
- 61
- 81
Rain Showers
- 58
- 79
Partly Sunny
- 61
- 78
Partly Sunny
- 63
- 81
Partly Sunny
Today 20 Aug Vigo
Partly cloudy through early Afternoon, then clearing. Highs in the lower 80s. North Winds around 5 Mph.
Tonight 20 Aug Vigo
Mostly clear. Patchy fog toward daybreak. Lows in the lower 60s. Northeast 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
75.3 °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