Corvallis Weather Forecast

    • 44
    • 62

    Mostly Cloudy

    • 39
    • 59

    Chance Rain

    • 40
    • 63

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 45
    • 73

    Partly Sunny

    • 46
    • 74

    Mostly Sunny

Today 15 May Benton County Lowlands

Partly sunny. Highs in the lower 60s. Winds Light, rising to west 10 to 15 Mph this afternoon.

Tonight 15 May Benton County Lowlands

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 40s. Southwest wind 10 to 15 Mph, easing to light after midnight. Rainfall Amounts around a tenth of an inch.

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Corvallis Temperature Statistics

May Temperature

Corvallis, Corvallis Municipal Airport (4.3 miles)

  • Lowest 9 May, 2026

    41 °F

  • Average May

    60 °F

  • Highest 3 May, 2026

    88 °F

Climate (2021–Present)

Corvallis, Corvallis Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    64 °F
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