Clyde Holliday State Park Weather Forecast

    • 56
    • 95

    Mostly Sunny

    • 57
    • 94

    Sunny

    • 61
    • 96

    Partly Sunny

    • 62
    • 93

    Mostly Cloudy

    • 62
    • 95

    Partly Sunny

    • 61
    • 94

    Chance Rain Showers

Today 17 Jul John Day Basin

Sunny. Highs in the upper 80s to mid 90s. Light Wind, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 17 Jul John Day Basin

Clear. Lows in the mid to upper 50s. Northwest wind 5 to 15 Mph in the Evening, becoming light.

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Clyde Holliday State Park Temperature Statistics

July Temperature

Grant County Regional Airport (6.2 miles)

  • Lowest 1 July, 2026

    43 °F

  • Average July

    71.5 °F

  • Highest 7 July, 2026

    95.5 °F

Climate (2021–2026)

Grant County Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    62 °F
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