Columbia River - Ackerman Island Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain Likely

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    Rain

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    Rain Likely

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    Chance Rain

Today 17 Dec East Clark County Lowlands

A slight chance of Thunderstorms. Rain this Morning, then rain Showers this afternoon. Highs in the upper 40s. Southwest wind 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 90 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 17 Dec East Clark County Lowlands

A chance of rain Showers this Evening, then rain after midnight. Lows around 40. South wind 5 to 10 Mph, becoming southeast after midnight. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

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Columbia River - Ackerman Island Temperature Statistics

December Temperature

Portland, Portland-Troutdale Airport (2.5 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    50.2 °F

  • Highest 10 December, 2025

    64 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (2.5 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.2 °F
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