Hillside Weather Forecast

    • 34
    • 43

    Decreasing Clouds

    • 33
    • 45

    Mostly Sunny

    • 36
    • 45

    Mostly Cloudy

    • 39
    • 42

    Rain Likely

    • 41
    • 46

    Rain Likely

    • 41
    • 46

    Rain Likely

    • 40
    • 47

    Chance Rain Showers

Today 29 Dec West Hills and Chehalem Mountains

Widespread frost this morning. Partly sunny. Highs in the mid 40s. Northeast wind 5 to 10 Mph.

Tonight 29 Dec West Hills and Chehalem Mountains

Partly cloudy in the Evening, then clearing. Areas of frost in the evening. Widespread frost after midnight. Lows in the lower 30s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Hillside Temperature Statistics

December Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    48.4 °F

  • Highest 10 December, 2025

    62.1 °F

Climate (2020–Present)

Portland, Portland International Airport (6.8 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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