Alsea Weather Forecast

    • 48
    • 81

    Increasing Clouds

    • 51
    • 70

    Rain Likely

    • 50
    • 58

    Rain Showers

    • 50
    • 66

    Partly Sunny

    • 52
    • 72

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

Today 10 Sep Central Oregon Coast Range Lowlands

Mostly sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 10 Sep Central Oregon Coast Range Lowlands

Partly cloudy in the Evening, then clearing. Patchy fog after midnight. Lows in the upper 40s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alsea Temperature Statistics

September Temperature

Corvallis, Corvallis Municipal Airport (17.4 miles)

  • Lowest 7 September, 2026

    53.1 °F

  • Average September

    58.9 °F

  • Highest 7 September, 2026

    73.9 °F

Climate (2021–2026)

Corvallis, Corvallis Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.9 °F
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