Corvallis Weather Forecast

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    Rain

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    • 46

    Rain

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    Chance Rain

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    Rain Likely

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    Chance Rain

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    Mostly Cloudy

Today 22 Dec Benton County Lowlands

Partly sunny. A chance of rain this Morning, then rain likely this afternoon. Highs around 50. South wind 10 to 15 Mph. Chance of rain 70 percent. Rainfall Amounts around a tenth of an inch.

Tonight 22 Dec Benton County Lowlands

Mostly cloudy. Rain Likely, mainly in the evening. Lows in the upper 30s. South wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts a tenth to a quarter of an inch.

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Corvallis Temperature Statistics

December Temperature

Corvallis, Corvallis Municipal Airport (4.3 miles)

  • Lowest 1 December, 2025

    30 °F

  • Average December

    48.3 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Corvallis, Corvallis Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    64 °F
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