Clark Lake Weather Forecast

    • 29
    • 43

    Mostly Sunny

    • 33
    • 48

    Partly Sunny

    • 36
    • 53

    Mostly Sunny

    • 34
    • 51

    Slight Chance Rain

    • 33
    • 51

    Mostly Sunny

    • 35
    • 54

    Mostly Sunny

    • 37
    • 58

    Partly Sunny

Today 25 Feb John Day Basin

Mostly cloudy with a 20 percent chance of rain in the Morning, then sunny in the afternoon. Highs in the mid to upper 40s. West wind 5 to 15 Mph.

Tonight 25 Feb John Day Basin

Mostly clear. Lows in the mid 20s to lower 30s. West wind 5 to 10 Mph with Gusts to around 20 Mph in the Evening, becoming light.

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Clark Lake Temperature Statistics

February Temperature

Grant County Regional Airport (59.7 miles)

  • Lowest 19 February, 2026

    16.5 °F

  • Average February

    39 °F

  • Highest 4 February, 2026

    66.6 °F

Climate (2021–Present)

Grant County Regional Airport (59.7 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.3 °F
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