Harold Emmerich Airport Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 63
    • 84

    Partly Sunny

    • 51
    • 83

    Rain Showers

    • 44
    • 66

    Sunny

    • 54
    • 73

    Slight Chance Rain Showers

    • 45
    • 73

    Mostly Sunny

Today 16 Oct St. Clair

Mostly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 16 Oct St. Clair

Partly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Harold Emmerich Airport Temperature Statistics

October Temperature

Belleville, Scott AFB/MidAmerica Airport (4.3 miles)

  • Lowest 10 October, 2025

    43 °F

  • Average October

    67.8 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (4.3 miles)

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

  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    67.5 °F
Get WillyWeather+ to remove ads