Columbia River - Saint Helens Weather Forecast

    • 41
    • 55

    Chance Rain Showers

    • 35
    • 52

    Rain Showers

    • 35
    • 55

    Mostly Sunny

    • 39
    • 63

    Partly Sunny

    • 42
    • 64

    Mostly Cloudy

    • 41
    • 61

    Chance Rain

    • 42
    • 59

    Chance Rain

Today 24 Mar Lower Columbia River

Cloudy with a 50 percent chance of rain. Highs in the mid 50s. South wind 5 to 10 Mph. Rainfall Amounts around a tenth of an inch.

Tonight 24 Mar Lower Columbia River

Mostly cloudy with a 50 percent chance of Showers. Lows in the lower 40s. South wind 5 to 10 Mph. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Saint Helens Temperature Statistics

March Temperature

Scappoose Industrial Airpark (6.8 miles)

  • Lowest 22 March, 2026

    30 °F

  • Average March

    49 °F

  • Highest 16 March, 2026

    66.7 °F

Climate (2021–Present)

Scappoose Industrial Airpark (6.8 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.6 °F
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