Dayton Weather Forecast

    • 26
    • 46

    Mostly Sunny

    • 24
    • 45

    Mostly Sunny

    • 29
    • 44

    Mostly Cloudy

    • 33
    • 45

    Slight Chance Rain

    • 37
    • 50

    Mostly Cloudy

Today 23 Jan West Central Willamette Valley

Widespread frost in the morning. Sunny. Highs in the mid 40s. North wind 5 to 10 Mph.

Tonight 23 Jan West Central Willamette Valley

Clear. Widespread frost. Lows in the mid 20s. Winds light.

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Dayton Temperature Statistics

January Temperature

McMinnville, McMinnville Municipal Airport (3.1 miles)

  • Lowest 20 January, 2026

    23 °F

  • Average January

    41.2 °F

  • Highest 15 January, 2026

    59 °F

Climate (2021–Present)

McMinnville, McMinnville Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    64.9 °F
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