Umpqua River - Bolon Island Weather Forecast

    • 55
    • 60

    Mostly Cloudy

    • 56
    • 59

    Rain Showers

    • 55
    • 58

    Rain Showers Likely

    • 53
    • 58

    Chance Rain Showers

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 60

    Chance Rain Showers

Today 7 Sep South Central Oregon Coast

Mostly cloudy this morning then becoming partly cloudy. Inland, Areas of fog early this morning. Patchy fog late this morning. Along the Coast, patchy fog through the day. Highs in the lower to mid 70s. Light Winds becoming west 5 to 10 Mph in the late morning and afternoon.

Tonight 7 Sep South Central Oregon Coast

Mostly cloudy. Isolated Showers in the Evening, then numerous Showers and isolated Thunderstorms after midnight. Along the Coast, patchy fog through the night. Inland, patchy fog after midnight. Lows in the mid 50s. West Winds around 5 Mph shifting to the north late in the Evening, then becoming light after midnight. Chance of precipitation 10 percent.

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Umpqua River - Bolon Island Temperature Statistics

September Temperature

Southwest Oregon Regional Airport (21.1 miles)

  • Lowest 2 September, 2025

    55 °F

  • Average September

    61 °F

  • Highest 1 September, 2025

    70 °F

Climate (2020–Present)

Southwest Oregon Regional Airport (21.1 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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