Riverside Weather Forecast

    • 32
    • 54

    Mostly Sunny

    • 33
    • 58

    Mostly Sunny

    • 38
    • 64

    Mostly Sunny

    • 36
    • 65

    Mostly Sunny

    • 44
    • 69

    Chance Rain Showers

    • 36
    • 62

    Chance Rain Showers

Today 14 Oct Foothills of the Northern Blue Mountains of Oregon

Sunny. Widespread frost in the morning. Highs in the lower to mid 50s. Southwest wind 5 to 10 Mph in the Morning, becoming light.

Tonight 14 Oct Foothills of the Northern Blue Mountains of Oregon

Mostly clear. Areas of frost overnight. Lows in the lower to mid 30s. Light wind.

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Riverside Temperature Statistics

October Temperature

Eastern Oregon Regional Airport at Pendleton (4.3 miles)

  • Lowest 6 October, 2025

    36 °F

  • Average October

    56 °F

  • Highest 8 October, 2025

    75 °F

Climate (2020–Present)

Eastern Oregon Regional Airport at Pendleton (4.3 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    65.5 °F
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