St Helens Weather Forecast

    • 57
    • 71

    Slight Chance Rain

    • 54
    • 64

    Rain

    • 54
    • 64

    Rain Showers

    • 53
    • 69

    Chance Rain

    • 56
    • 75

    Chance Rain

    • 57
    • 76

    Chance Rain

    • 56
    • 73

    Chance Rain

Today 1 Sep Lower Columbia River

Mostly cloudy with a slight chance of drizzle. Highs in the lower 70s. Winds light.

Tonight 1 Sep Lower Columbia River

Mostly cloudy. A slight chance of drizzle this Evening, then a slight chance of rain after midnight. Lows in the mid 50s. Winds Light, rising to southeast 10 to 15 Mph after midnight. Chance of rain 20 percent.

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St Helens Temperature Statistics

September Temperature

Scappoose Industrial Airpark (6.2 miles)

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Climate (2021–2026)

Scappoose Industrial Airpark (6.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.5 °F
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