Harrison Weather Forecast
- 75
- 92
Chance Thunderstorms
- 62
- 86
Partly Sunny
- 62
- 84
Sunny
- 65
- 86
Partly Sunny
- 67
- 85
Chance Rain Showers
- 66
- 84
Chance Rain Showers
Today 27 Jul Vigo
Partly cloudy with a slight chance of Showers and Thunderstorms through early Afternoon, then mostly sunny with a chance of Showers and Thunderstorms late in the afternoon. Hot with Highs around 90. South Winds 5 to 10 Mph. Gusts up to 20 Mph late in the afternoon. Chance of rain 40 percent.
Tonight 27 Jul Vigo
Partly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog toward daybreak. Near steady temperature in the lower 70s. Light and variable Winds, becoming south around 5 Mph toward daybreak. Chance of rain 20 percent.
Harrison Temperature Statistics
July Temperature
Terre Haute Regional Airport (7.5 miles)
Lowest 23 July, 2026
54 °FAverage July
76.8 °FHighest 3 July, 2026
93.9 °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
65.8 °F