Clark Lake Weather Forecast

    • 38
    • 52

    Rain Likely

    • 28
    • 43

    Snow

    • 30
    • 45

    Chance Snow

    • 36
    • 52

    Partly Sunny

    • 42
    • 63

    Chance Rain

    • 42
    • 61

    Chance Rain/Snow

    • 40
    • 56

    Chance Rain

Today 14 Apr John Day Basin

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 50s to lower 60s. West wind 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 14 Apr John Day Basin

Cloudy with a 50 percent chance of rain. Lows in the upper 30s to lower 40s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clark Lake Temperature Statistics

April Temperature

Grant County Regional Airport (59.7 miles)

  • Lowest 3 April, 2026

    27.9 °F

  • Average April

    48.9 °F

  • Highest 6 April, 2026

    73.6 °F

Climate (2021–Present)

Grant County Regional Airport (59.7 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.4 °F
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