Bethany Weather Forecast
- 70
- 89
Decreasing Clouds
- 71
- 91
Chance Thunderstorms
- 66
- 85
Slight Chance Thunderstorms
- 64
- 85
Mostly Sunny
- 65
- 86
Mostly Sunny
- 60
- 86
Mostly Sunny
Today 18 Aug Morgan
Partly cloudy. Highs in the upper 80s. Southeast Winds around 5 Mph.
Tonight 18 Aug Morgan
Mostly clear. Humid with Lows around 70. Southeast Winds around 5 Mph.
Bethany Temperature Statistics
August Temperature
Indianapolis International Airport (13.7 miles)
Lowest 3 August, 2025
58.6 °FAverage August
77.6 °FHighest 10 August, 2025
91.7 °F
Climate (2020–Present)
Indianapolis International Airport (13.7 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
55.4 °FAverage High 2020–2025
64.7 °F