Sterling State Park Weather Forecast

    • 56
    • 77

    Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 65
    • 81

    Chance Thunderstorms

    • 63
    • 81

    Partly Sunny

Today 22 Aug Monroe

Showers with Thunderstorms likely Early, then a chance of Showers and Thunderstorms in the late afternoon. Northwest Winds 5 to 15 Mph. Chance of rain 90 percent.

Tonight 22 Aug Monroe

Partly cloudy in the evening then clearing. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.

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Sterling State Park Temperature Statistics

August Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 5 August, 2026

    53.6 °F

  • Average August

    72.9 °F

  • Highest 8 August, 2026

    89.6 °F

Climate (2021–2026)

Monroe, Custer Airport (5 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.3 °F
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