Tri-City Weather Forecast

    • 52
    • 75

    Mostly Cloudy

    • 49
    • 73

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 50
    • 76

    Chance Rain

    • 46
    • 65

    Slight Chance Rain

    • 45
    • 69

    Partly Sunny

Today 21 Sep Central Douglas County

Mostly cloudy. Highs in the lower to mid 70s. Light Winds becoming northwest around 5 Mph this afternoon.

Tonight 21 Sep Central Douglas County

Partly cloudy in the evening then becoming mostly cloudy. Lows around 50. Northwest Winds around 5 Mph.

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Tri-City Temperature Statistics

September Temperature

Roseburg Regional Airport (16.8 miles)

  • Lowest 15 September, 2026

    47.6 °F

  • Average September

    64.3 °F

  • Highest 9 September, 2026

    93.7 °F

Climate (2021–2026)

Roseburg Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    67.9 °F
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