Hartline Air Strip STOLport Weather Forecast
- 57
- 78
Increasing Clouds
- 58
- 78
Thunderstorms
- 40
- 71
Rain Showers Likely
- 36
- 53
Mostly Sunny
- 51
- 65
Mostly Sunny
- 54
- 71
Mostly Cloudy
- 36
- 67
Chance Rain Showers
Today 13 Mar Union
Sunny. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.
Tonight 13 Mar Union
Clear this Evening, then becoming partly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.
Hartline Air Strip STOLport Temperature Statistics
March Temperature
Southern Illinois Airport (21.7 miles)
Lowest 2 March, 2025
23.8 °FAverage March
47.3 °FHighest 11 March, 2025
75 °F
Climate (2020–Present)
Southern Illinois Airport (21.7 miles)
Average Low 2020–2025
47.6 °FAverage 2020–2025
57.7 °FAverage High 2020–2025
68.4 °F