Pontiac Bay Weather Forecast

    • 47
    • 64

    Increasing Clouds

    • 45
    • 65

    Partly Sunny

    • 53
    • 67

    Rain Likely

    • 52
    • 64

    Rain Likely

    • 50
    • 65

    Mostly Cloudy

    • 49
    • 64

    Slight Chance Rain

Today 26 Sep City of Seattle

Mostly sunny. Patchy fog in the morning. Highs in the lower to mid 60s. Southeast wind to 10 Mph becoming north in the afternoon.

Tonight 26 Sep City of Seattle

Mostly cloudy in the evening then becoming partly cloudy. Lows near 50. North wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pontiac Bay Temperature Statistics

September Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 19 September, 2026

    52 °F

  • Average September

    61.8 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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