Umpqua River - Cornwall Point Weather Forecast

    • 55
    • 61

    Rain Showers

    • 53
    • 62

    Rain Showers Likely

    • 54
    • 64

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 54
    • 64

    Mostly Cloudy

    • 55
    • 65

    Partly Sunny

Today 3 Sep South Central Oregon Coast

Mostly cloudy. Along the Coast, widespread fog early this Morning, Showers this morning. Inland, chance of Showers this morning. Slight chance of Thunderstorms. Showers likely this afternoon. Highs in the lower to mid 60s. Southwest Winds 10 to 15 Mph. Chance of precipitation 80 percent.

Tonight 3 Sep South Central Oregon Coast

Along the Coast, Showers and slight chance of Thunderstorms in the Evening, then Showers likely and slight chance of Thunderstorms after midnight. Inland, chance of Showers and slight chance of Thunderstorms in the Evening, then Showers likely after Midnight, patchy dense fog after midnight. Lows in the lower to mid 50s. Southwest Winds 10 to 15 Mph. Chance of precipitation 80 percent.

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Umpqua River - Cornwall Point Temperature Statistics

September Temperature

Southwest Oregon Regional Airport (18.6 miles)

  • Lowest 1 September, 2026

    57.9 °F

  • Average September

    61.5 °F

  • Highest 1 September, 2026

    66.9 °F

Climate (2021–2026)

Southwest Oregon Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    59.6 °F
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