Saint Helens Lake Weather Forecast

    • 47
    • 60

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 37
    • 47

    Chance Rain/Snow

    • 42
    • 53

    Rain Showers Likely

    • 40
    • 50

    Rain Showers

    • 37
    • 42

    Rain/Snow

    • 36
    • 42

    Snow Showers Likely

Today 6 Oct South Washington Cascades

Sunny. Free air freezing level 13000 feet. East wind 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 6 Oct South Washington Cascades

Mostly clear. Free air freezing level 14000 Feet, decreasing to free air freezing level 13000 feet after midnight. East wind 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

Saint Helens Lake Temperature Statistics

October Temperature

Southwest Washington Regional Airport (36.7 miles)

  • Lowest 3 October, 2025

    51.1 °F

  • Average October

    58.9 °F

  • Highest 2 October, 2025

    66.9 °F

Climate (2020–Present)

Southwest Washington Regional Airport (36.7 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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