Mitkof Island Weather Forecast

    • 49
    • 64

    Rain Likely

    • 49
    • 58

    Rain

    • 49
    • 61

    Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 49
    • 63

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

Today 22 Aug Petersburg Borough

Cloudy. Rain likely early in the Morning, then chance of rain. Highs 63 to 69. Light Winds.

Tonight 22 Aug Petersburg Borough

Mostly cloudy. Slight chance of rain in the evening. Patchy fog late. Lows in the lower 50s. Light Winds.

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Mitkof Island Temperature Statistics

August Temperature

Petersburg (11.8 miles)

  • Lowest 12 August, 2026

    48.9 °F

  • Average August

    57.9 °F

  • Highest 15 August, 2026

    81 °F

Climate (2021–2026)

Petersburg (11.8 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    48.8 °F
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