Columbia River - Bernie Slough Weather Forecast

    • 56
    • 70

    Slight Chance Rain

    • 59
    • 72

    Rain Showers Likely

    • 57
    • 66

    Rain Showers Likely

    • 57
    • 69

    Slight Chance Rain Showers

    • 56
    • 72

    Mostly Cloudy

    • 58
    • 72

    Chance Rain Showers

Today 7 Sep Willapa and Wahkiakum Lowlands

Mostly cloudy with a slight chance of drizzle this Morning, then partly sunny with a slight chance of rain this afternoon. Highs in the upper 60s. Winds light. Chance of rain 20 percent.

Tonight 7 Sep Willapa and Wahkiakum Lowlands

Mostly cloudy. Lows in the mid 50s. Winds light in the Evening, becoming light and variable.

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Columbia River - Bernie Slough Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (23 miles)

  • Lowest 2 September, 2025

    51.1 °F

  • Average September

    61.4 °F

  • Highest 2 September, 2025

    73.9 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (23 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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