Sterling State Park Weather Forecast

    • 16
    • 28

    Mostly Cloudy

    • 30
    • 36

    Rain

    • 19
    • 39

    Chance Rain/Snow

    • 16
    • 29

    Chance Snow

    • 12
    • 25

    Slight Chance Snow

    • 9
    • 22

    Mostly Cloudy

Today 8 Dec Monroe

Partly cloudy. Highs in the upper 20s. Northeast Winds 5 to 10 Mph.

Tonight 8 Dec Monroe

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 14. South Winds up to 5 Mph, increasing to 5 to 15 Mph with Gusts up to 25 Mph after midnight.

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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

    22.6 °F

  • Highest 2 December, 2025

    32 °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

    60.3 °F
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