Alva Bay Weather Forecast

    • 55
    • 71

    Decreasing Clouds

    • 55
    • 73

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 56
    • 71

    Mostly Cloudy

    • 55
    • 67

    Slight Chance Rain Showers

    • 56
    • 69

    Mostly Cloudy

    • 56
    • 71

    Mostly Cloudy

Today 3 Aug Ketchikan Gateway Borough

Decreasing Clouds. Highs in the upper 60s. Northwest Winds 10 to 15 Mph.

Tonight 3 Aug Ketchikan Gateway Borough

Mostly clear. Lows in the mid 50s. Northwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alva Bay Temperature Statistics

August Temperature

Metlakatla, Metlakatla Seaplane Base (18.6 miles)

  • Lowest 1 August, 2026

    53.1 °F

  • Average August

    56.2 °F

  • Highest 1 August, 2026

    61 °F

Climate (2021–2026)

Metlakatla, Metlakatla Seaplane Base (18.6 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    51.1 °F
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