Columbia River - McGowan Weather Forecast

    • 59
    • 65

    Rain Showers

    • 55
    • 64

    Rain Showers Likely

    • 56
    • 67

    Mostly Sunny

    • 58
    • 73

    Partly Sunny

    • 54
    • 65

    Chance Rain Showers

    • 53
    • 65

    Slight Chance Rain Showers

Today 13 Sep South Washington Coast

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs in the upper 60s. South wind 5 to 10 Mph.

Tonight 13 Sep South Washington Coast

Mostly cloudy. A slight chance of Showers in the Evening, then Showers after midnight. Lows in the upper 50s. South wind 5 to 10 Mph. Chance of rain 80 percent. Rainfall Amounts around a quarter of an inch.

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Columbia River - McGowan Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (6.2 miles)

  • Lowest 2 September, 2025

    51.1 °F

  • Average September

    61.3 °F

  • Highest 2 September, 2025

    73.9 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    59.5 °F
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