Monmouth Weather Forecast

    • 51
    • 82

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 52
    • 86

    Mostly Sunny

    • 51
    • 82

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

Today 4 Jul West Central Willamette Valley

Sunny. Highs in the lower 80s. North wind 5 to 10 Mph.

Tonight 4 Jul West Central Willamette Valley

Mostly clear. Lows in the lower 50s. North wind 5 to 10 Mph.

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Monmouth Temperature Statistics

July Temperature

Salem - McNary Field (11.8 miles)

  • Lowest 1 July, 2026

    55 °F

  • Average July

    61.2 °F

  • Highest 1 July, 2026

    71.1 °F

Climate (2021–2026)

Salem - McNary Field (11.8 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.8 °F
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