St Helens Weather Forecast

    • 43
    • 65

    Decreasing Clouds

    • 45
    • 65

    Mostly Cloudy

    • 43
    • 62

    Mostly Cloudy

    • 43
    • 66

    Mostly Sunny

    • 45
    • 70

    Mostly Sunny

    • 44
    • 63

    Chance Rain

    • 41
    • 61

    Slight Chance Rain

Today 17 Oct Lower Columbia River

Mostly sunny. Highs in the upper 60s. Winds light.

Tonight 17 Oct Lower Columbia River

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 40s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Helens Temperature Statistics

October Temperature

Scappoose Industrial Airpark (6.2 miles)

  • Lowest 12 October, 2026

    33.7 °F

  • Average October

    60.2 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Scappoose Industrial Airpark (6.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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