Monmouth Weather Forecast

    • 44
    • 76

    Becoming Sunny

    • 53
    • 79

    Mostly Sunny

    • 47
    • 74

    Partly Sunny

    • 48
    • 74

    Partly Sunny

    • 49
    • 67

    Rain Showers Likely

    • 50
    • 67

    Rain Showers Likely

Today 16 Jun West Central Willamette Valley

Partly sunny this Morning, then clearing. Highs in the upper 70s. Southwest wind 5 to 10 Mph.

Tonight 16 Jun West Central Willamette Valley

Mostly clear. Lows in the mid 40s. West wind 5 to 10 Mph, becoming light after midnight.

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Monmouth Temperature Statistics

June Temperature

Salem - McNary Field (11.8 miles)

  • Lowest 2 June, 2025

    41.6 °F

  • Average June

    65.5 °F

  • Highest 9 June, 2025

    96.7 °F

Climate (2020–Present)

Salem - McNary Field (11.8 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    65.5 °F
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