Indianapolis International Airport Weather Forecast
- 35
- 48
Chance Snow
- 42
- 59
Chance Rain
- 46
- 69
Mostly Cloudy
- 51
- 72
Partly Sunny
- 36
- 72
Partly Sunny
- 32
- 50
Partly Sunny
Today 18 Mar Marion
Cloudy toward Daybreak, then becoming partly cloudy. A chance of snow toward daybreak. Little or no snow accumulation. Not as cool with Highs in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 50 percent.
Tonight 18 Mar Marion
Partly cloudy through the late Overnight, then becoming mostly cloudy. Not as cool with Lows in the mid 30s. South Winds around 5 Mph.
Indianapolis International Airport Temperature Statistics
March Temperature
Indianapolis International Airport (0.6 miles)
Lowest 2 March, 2026
26.7 °FAverage March
51 °FHighest 6 March, 2026
79.6 °F
Climate (2021–Present)
Indianapolis International Airport (0.6 miles)
Average Low 2021–2026
46.6 °FAverage 2021–2026
55.6 °FAverage High 2021–2026
65 °F