Knappa Slough - Knappa Weather Forecast

    • 55
    • 76

    Increasing Clouds

    • 53
    • 67

    Mostly Cloudy

    • 51
    • 69

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 52
    • 64

    Partly Sunny

Today 17 Sep North Oregon Coast Range Lowlands

Sunny. Highs in the lower 80s. Winds light.

Tonight 17 Sep North Oregon Coast Range Lowlands

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Winds light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Knappa Slough - Knappa Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    60.4 °F

  • Highest 9 September, 2026

    77.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (13.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads