Arch Cape Weather Forecast

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    Chance Rain Showers

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    Chance Rain Showers

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    Rain Showers Likely

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    Rain Showers Likely

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    Chance Rain Showers

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    Chance Rain Showers

Today 6 Sep Clatsop County Coast

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 60s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 6 Sep Clatsop County Coast

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the mid 50s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Arch Cape Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (23.6 miles)

  • Lowest 2 September, 2025

    51.1 °F

  • Average September

    61.9 °F

  • Highest 2 September, 2025

    73.9 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (23.6 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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