Troy Weather Forecast

    • 29
    • 43

    Decreasing Clouds

    • 45
    • 50

    Partly Sunny

    • 43
    • 62

    Partly Sunny

    • 57
    • 65

    Mostly Cloudy

    • 52
    • 72

    Partly Sunny

    • 43
    • 65

    Mostly Cloudy

Today 21 Dec Madison

Mostly sunny. Cooler with Highs in the lower 40s. Northeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 21 Dec Madison

Partly cloudy. Lows around 30. Southeast Winds 5 to 10 Mph.

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Troy Temperature Statistics

December Temperature

Belleville, Scott AFB/MidAmerica Airport (12.4 miles)

  • Lowest 14 December, 2025

    7.5 °F

  • Average December

    32.1 °F

  • Highest 18 December, 2025

    56.8 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (12.4 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    67.5 °F
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