Rock Creek Lake Weather Forecast

    • 28
    • 44

    Chance Snow Showers

    • 31
    • 48

    Chance Snow Showers

    • 35
    • 57

    Partly Sunny

    • 38
    • 60

    Mostly Sunny

    • 41
    • 63

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

Today 16 May Ochoco-John Day Highlands

Mostly cloudy. Highs in the mid 40s to lower 50s. West wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 16 May Ochoco-John Day Highlands

Mostly cloudy with a 50 percent chance of rain and mountain snow Showers. Snow level 4500 feet. Lows in the mid 20s to lower 30s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Creek Lake Temperature Statistics

May Temperature

Grant County Regional Airport (42.3 miles)

  • Lowest 14 May, 2026

    36.1 °F

  • Average May

    54.1 °F

  • Highest 14 May, 2026

    70.2 °F

Climate (2021–Present)

Grant County Regional Airport (42.3 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.3 °F
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