Rosburg Weather Forecast

    • 55
    • 71

    Increasing Clouds

    • 51
    • 66

    Mostly Cloudy

    • 54
    • 75

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 54
    • 69

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 54
    • 69

    Partly Sunny

Today 6 Sep Willapa and Wahkiakum Lowlands

Sunny. Highs in the lower 70s. West wind 5 to 10 Mph.

Tonight 6 Sep Willapa and Wahkiakum Lowlands

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 50s. West wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosburg Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (16.8 miles)

  • Lowest 4 September, 2026

    51.1 °F

  • Average September

    60.5 °F

  • Highest 4 September, 2026

    69.1 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
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