Sterling State Park Weather Forecast

    • 14
    • 21

    Decreasing Clouds

    • 27
    • 33

    Mostly Cloudy

    • 29
    • 39

    Mostly Cloudy

    • 19
    • 46

    Rain

    • 21
    • 27

    Slight Chance Rain Showers

    • 27
    • 40

    Mostly Cloudy

Today 15 Dec Monroe

Cloudy. Highs around 20. Southwest Winds 10 to 20 Mph with Gusts up to 35 Mph. Wind chill Readings 4 below to 6 above zero.

Tonight 15 Dec Monroe

Partly cloudy. Lows around 13. Southwest Winds 5 to 10 Mph.

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Sterling State Park Temperature Statistics

December Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 5 December, 2025

    1.4 °F

  • Average December

    25.3 °F

  • Highest 10 December, 2025

    39.2 °F

Climate (2020–Present)

Monroe, Custer Airport (5 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.2 °F
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