Ilwaco Harbor Weather Forecast

    • 57
    • 63

    Increasing Clouds

    • 57
    • 61

    Rain Showers

    • 55
    • 61

    Rain Showers

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    Rain Showers

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    Rain Showers

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    Rain Showers Likely

Today 27 Sep South Washington Coast

Mostly cloudy this Morning, then becoming mostly sunny. Highs around 70. Winds light.

Tonight 27 Sep South Washington Coast

Mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ilwaco Harbor Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (12.4 miles)

  • Lowest 25 September, 2025

    44.1 °F

  • Average September

    60.4 °F

  • Highest 16 September, 2025

    87.1 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (12.4 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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