Sterling State Park Weather Forecast

    • 68
    • 81

    Increasing Clouds

    • 70
    • 84

    Chance Rain Showers

    • 74
    • 88

    Mostly Cloudy

    • 75
    • 91

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Rain Showers

    • 68
    • 86

    Slight Chance Thunderstorms

    • 66
    • 82

    Partly Sunny

Today 29 Aug Monroe

Partly cloudy. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 29 Aug Monroe

Mostly cloudy. Lows in the upper 60s. Southwest Winds up to 10 Mph.

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Sterling State Park Temperature Statistics

August Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 24 August, 2026

    51.8 °F

  • Average August

    71.5 °F

  • Highest 8 August, 2026

    89.6 °F

Climate (2021–2026)

Monroe, Custer Airport (5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.3 °F
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