Necanicum River Mouth Weather Forecast

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    • 61

    Slight Chance Rain Showers

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    • 61

    Dense Fog

    • 57
    • 61

    Chance Rain Showers

    • 56
    • 60

    Chance Rain Showers

    • 56
    • 61

    Chance Rain Showers

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    • 61

    Chance Rain Showers

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    • 60

    Rain Showers Likely

Today 3 Sep Clatsop County Coast

Areas of dense fog this morning. Mostly cloudy. Highs in the lower 70s. Northwest wind 5 to 10 Mph.

Tonight 3 Sep Clatsop County Coast

Mostly cloudy with a 20 percent chance of Showers. Patchy dense fog this evening. Areas of dense fog after midnight. Lows in the upper 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Necanicum River Mouth Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (9.9 miles)

  • Lowest 1 September, 2025

    57 °F

  • Average September

    63.1 °F

  • Highest 1 September, 2025

    70 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (9.9 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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