Sterling State Park Weather Forecast

    • 65
    • 91

    Rain Showers Likely

    • 63
    • 80

    Patchy Smoke

    • 69
    • 83

    Rain Showers

    • 62
    • 85

    Rain Showers Likely

    • 58
    • 74

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

Today 18 Jul Monroe

Partly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs around 90. West Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent. Heat index Readings in the upper 90s.

Tonight 18 Jul Monroe

Partly cloudy in the evening then clearing. Areas of smoke. Lows in the mid 60s. North Winds 5 to 10 Mph.

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Sterling State Park Temperature Statistics

July Temperature

Monroe, Custer Airport (5 miles)

  • Lowest 13 July, 2026

    59 °F

  • Average July

    79.3 °F

  • Highest 1 July, 2026

    98.6 °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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