Clam Lake Weather Forecast

    • 53
    • 64

    Decreasing Clouds

    • 55
    • 65

    Mostly Sunny

    • 57
    • 64

    Rain

    • 52
    • 65

    Chance Rain

    • 55
    • 67

    Slight Chance Rain

    • 56
    • 67

    Chance Rain

Today 18 Sep South Washington Coast

Mostly sunny. Highs in the upper 60s. Northwest wind 10 to 15 Mph.

Tonight 18 Sep South Washington Coast

Mostly clear. Lows in the lower 50s. North wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clam Lake Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (18 miles)

  • Lowest 15 September, 2025

    48 °F

  • Average September

    61.3 °F

  • Highest 16 September, 2025

    87.1 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (18 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    59.5 °F
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