McMaster Woods Nature Preserve Weather Forecast

    • 31
    • 40

    Chance Rain

    • 15
    • 36

    Mostly Cloudy

    • 22
    • 30

    Partly Sunny

    • 36
    • 47

    Mostly Cloudy

    • 25
    • 44

    Chance Snow

    • 17
    • 35

    Slight Chance Snow

    • 7
    • 24

    Partly Sunny

Today 6 Dec Greene

Mostly cloudy. Highs around 40. Southeast Winds around 5 Mph.

Tonight 6 Dec Greene

Cloudy. A slight chance of rain this Evening, then a chance of rain after midnight. Near steady temperature in the mid 30s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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McMaster Woods Nature Preserve Temperature Statistics

December Temperature

St. Charles, St. Charles County Smartt Airport (18 miles)

  • Lowest 4 December, 2025

    10.9 °F

  • Average December

    23.8 °F

  • Highest 3 December, 2025

    35.1 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (18 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
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