Umpqua River - Koepke Slough Weather Forecast

    • 46
    • 50

    Rain Showers

    • 48
    • 56

    Rain Showers

    • 44
    • 50

    Rain Showers

    • 45
    • 48

    Rain

    • 46
    • 49

    Rain

    • 42
    • 49

    Rain

Today 17 Dec South Central Oregon Coast

Mostly cloudy then becoming partly cloudy late this morning then becoming mostly cloudy. Slight chance of rain early this morning. Chance of Showers in the late morning and afternoon. Slight chance of rain Showers in the late morning and afternoon. Highs in the lower to mid 50s. West Winds 10 to 15 Mph shifting to the southwest around 5 Mph this afternoon. Chance of precipitation 10 percent.

Tonight 17 Dec South Central Oregon Coast

Cloudy. Chance of rain Showers in the Evening, then rain Showers after midnight. Lows in the lower to mid 40s. Southeast Winds 5 to 10 Mph increasing to south 15 to 20 Mph well after midnight. Chance of Showers 90 percent.

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Umpqua River - Koepke Slough Temperature Statistics

December Temperature

Southwest Oregon Regional Airport (21.7 miles)

  • Lowest 2 December, 2025

    37.9 °F
  • Average December

    51.8 °F
  • Highest 11 December, 2025

    64 °F

Climate (2020–Present)

Southwest Oregon Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    46.8 °F
  • Average 2020–2025

    52.8 °F
  • Average High 2020–2025

    59.6 °F
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