Clark Lake Weather Forecast

    • 61
    • 83

    Sunny

    • 66
    • 90

    Mostly Sunny

    • 63
    • 90

    Chance Rain Showers

    • 56
    • 83

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

Today 29 Jun John Day Basin

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

Tonight 29 Jun John Day Basin

Clear. Lows in the mid 50s to lower 60s. North wind 5 to 10 Mph with Gusts to around 20 Mph in the Evening, becoming light.

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Clark Lake Temperature Statistics

June Temperature

Grant County Regional Airport (59.7 miles)

  • Lowest 3 June, 2025

    38.3 °F

  • Average June

    63.9 °F

  • Highest 9 June, 2025

    93.9 °F

Climate (2020–Present)

Grant County Regional Airport (59.7 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.3 °F
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