McMaster Woods Nature Preserve Weather Forecast

    • 63
    • 85

    Becoming Sunny

    • 66
    • 88

    Mostly Sunny

    • 69
    • 89

    Thunderstorms Likely

    • 67
    • 85

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 69
    • 88

    Partly Sunny

Today 3 Aug Greene

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 3 Aug Greene

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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McMaster Woods Nature Preserve Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    66.9 °F

  • Average August

    70.3 °F

  • Highest 1 August, 2026

    75 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69 °F
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