Portland-Hillsboro Airport Weather Forecast

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    Rain Showers

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    Rain

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    Rain Likely

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    Rain Likely

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    Chance Rain

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    Rain Likely

Today 25 Oct Tualatin Valley

Rain in the Morning, then Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 50s. South wind 15 to 20 Mph. Gusts up to 35 Mph in the afternoon. Chance of rain near 100 percent. Rainfall Amounts a half to three Quarters of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 25 Oct Tualatin Valley

A slight chance of Thunderstorms. Showers in the Evening, then rain after midnight. Lows in the lower 40s. Southwest wind 15 to 20 Mph. Gusts up to 35 Mph in the evening. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

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Portland-Hillsboro Airport Temperature Statistics

October Temperature

Portland-Hillsboro Airport (0 miles)

  • Lowest 16 October, 2025

    35.1 °F

  • Average October

    53.3 °F

  • Highest 7 October, 2025

    78.1 °F

Climate (2020–Present)

Portland-Hillsboro Airport (0 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    64.3 °F
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