Brentwood-Darlington Weather Forecast

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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

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    Chance Rain

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    Chance Rain

Today 18 Dec Inner Portland Metro

Rain. Highs in the upper 50s. Southeast wind 10 to 15 Mph, becoming southwest 15 to 20 Mph this afternoon. Gusts up to 40 Mph. Chance of rain near 100 percent. Rainfall Amounts one inch to one and a half Inches.

Tonight 18 Dec Inner Portland Metro

Rain. Lows in the lower 40s. West wind 15 to 20 Mph with Gusts up to 40 Mph, easing to 5 to 10 Mph after midnight. Chance of rain near 100 percent. Rainfall Amounts a half of an inch to one and a half Inches.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood-Darlington Temperature Statistics

December Temperature

Portland, Portland International Airport (8.1 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    50.8 °F

  • Highest 10 December, 2025

    62.1 °F

Climate (2020–Present)

Portland, Portland International Airport (8.1 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    65.4 °F
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