O'Conner Lake Weather Forecast

    • 44
    • 50

    Partly Sunny

    • 51
    • 59

    Mostly Sunny

    • 40
    • 63

    Partly Sunny

    • 32
    • 45

    Slight Chance Rain

    • 35
    • 42

    Rain Likely

    • 35
    • 37

    Rain/Snow Likely

Today 14 Oct South Washington Cascades

Mostly sunny. Free air freezing level 11000 feet. Winds light.

Tonight 14 Oct South Washington Cascades

Mostly clear. Free air freezing level 12000 Feet, increasing to free air freezing level 13000 feet after midnight. East wind 10 to 15 Mph. Gusts up to 35 Mph after midnight.

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O'Conner Lake Temperature Statistics

October Temperature

Southwest Washington Regional Airport (38.5 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    58.4 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (38.5 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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