Post Office Lake Weather Forecast

    • 56
    • 79

    Sunny

    • 55
    • 84

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 52
    • 73

    Partly Sunny

Today 16 Sep Inner Vancouver Metro

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

Tonight 16 Sep Inner Vancouver Metro

Clear. Lows in the mid 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Post Office Lake Temperature Statistics

September Temperature

Scappoose Industrial Airpark (5 miles)

  • Lowest 4 September, 2026

    49.6 °F

  • Average September

    61.7 °F

  • Highest 9 September, 2026

    87.7 °F

Climate (2021–2026)

Scappoose Industrial Airpark (5 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.4 °F
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