Monmouth Weather Forecast

    • 40
    • 49

    Rain Showers

    • 38
    • 57

    Chance Rain Showers

    • 39
    • 62

    Mostly Sunny

    • 39
    • 62

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 42
    • 65

    Partly Sunny

Today 28 Mar West Central Willamette Valley

Rain Showers. A slight chance of Thunderstorms in the afternoon. Breezy with Highs in the upper 40s. South wind 15 to 25 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to three Quarters of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 28 Mar West Central Willamette Valley

Rain Showers with a slight chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Lows around 40. South wind 15 to 20 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Monmouth Temperature Statistics

March Temperature

Salem - McNary Field (11.8 miles)

  • Lowest 6 March, 2024

    25.8 °F
  • Average March

    46.7 °F
  • Highest 16 March, 2024

    76.6 °F

Climate (2019–Present)

Salem - McNary Field (11.8 miles)

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  • Average Low 2019–2024

    45.3 °F
  • Average 2019–2024

    54.3 °F
  • Average High 2019–2024

    64.5 °F
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