Vandalia Weather Forecast
- 61
- 94
Mostly Sunny
- 63
- 89
Slight Chance Thunderstorms
- 63
- 89
Partly Sunny
- 63
- 84
Chance Thunderstorms
- 63
- 82
Chance Thunderstorms
- 59
- 81
Slight Chance Thunderstorms
Today 18 Sep Fayette
Sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.
Tonight 18 Sep Fayette
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.
Vandalia Temperature Statistics
September Temperature
Salem, Salem-Leckrone Airport (23 miles)
Lowest 7 September, 2025
44.6 °FAverage September
72.1 °FHighest 14 September, 2025
101.1 °F
Climate (2020–Present)
Salem, Salem-Leckrone Airport (23 miles)
Average Low 2020–2025
49.3 °FAverage 2020–2025
58.6 °FAverage High 2020–2025
68.1 °F