Rock Creek Lake Weather Forecast

    • 48
    • 65

    Decreasing Clouds

    • 53
    • 73

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 21 Jul Ochoco-John Day Highlands

Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 60s to mid 70s. Gusts up to 20 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 21 Jul Ochoco-John Day Highlands

Partly cloudy. A 20 percent chance of rain Showers in the evening. Lows in the 40s. Gusts up to 20 Mph in the evening.

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Rock Creek Lake Temperature Statistics

July Temperature

Grant County Regional Airport (42.3 miles)

  • Lowest 5 July, 2025

    45.7 °F

  • Average July

    73.4 °F

  • Highest 8 July, 2025

    97.9 °F

Climate (2020–Present)

Grant County Regional Airport (42.3 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    62.3 °F
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