Vandalia Weather Forecast

    • 58
    • 69

    Cloudy

    • 56
    • 67

    Chance Thunderstorms

    • 49
    • 70

    Partly Sunny

    • 47
    • 70

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 50
    • 71

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 22 Sep Montgomery

Partly cloudy. Highs in the upper 70s.

Tonight 22 Sep Montgomery

Mostly cloudy with Areas of very light drizzle. Patchy fog after midnight. Lows in the upper 50s. Northeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Vandalia Temperature Statistics

September Temperature

Dayton, Cox Dayton International Airport (1.2 miles)

  • Lowest 14 September, 2026

    52.6 °F

  • Average September

    75.9 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Dayton, Cox Dayton International Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.8 °F
Get WillyWeather+ to remove ads