Umpqua River - Cornwall Point Weather Forecast

    • 54
    • 71

    Areas Fog

    • 55
    • 64

    Mostly Cloudy

    • 53
    • 63

    Partly Sunny

    • 52
    • 63

    Partly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 66

    Partly Sunny

Today 16 Sep South Central Oregon Coast

Sunny. Highs in the lower to mid 70s along the coast and in the lower to mid 80s inland. South Winds around 5 Mph shifting to the west this afternoon.

Tonight 16 Sep South Central Oregon Coast

Clear early this evening then becoming partly cloudy. Along the Coast, patchy dense fog this evening. Areas of fog after midnight. Inland, patchy fog after midnight. Lows in the lower to mid 50s. West Winds 5 to 10 Mph this evening becoming Light, then becoming north around 5 Mph well after midnight.

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Umpqua River - Cornwall Point Temperature Statistics

September Temperature

Southwest Oregon Regional Airport (18.6 miles)

  • Lowest 7 September, 2025

    54 °F

  • Average September

    60.8 °F

  • Highest 1 September, 2025

    70 °F

Climate (2020–Present)

Southwest Oregon Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    59.6 °F
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