Mitkof Island Weather Forecast

    • 40
    • 46

    Rain

    • 40
    • 48

    Rain Likely

    • 39
    • 49

    Chance Rain

    • 39
    • 50

    Rain Likely

    • 43
    • 50

    Rain

    • 41
    • 50

    Rain

    • 40
    • 47

    Rain

Today 11 Oct Petersburg Borough

Mostly cloudy. Patchy fog in the morning. Slight chance of rain in the afternoon. Highs around 50. Northwest Winds around 10 Mph shifting to the southeast.

Tonight 11 Oct Petersburg Borough

Not as cool. Cloudy. Chance of rain in the Evening, then rain Showers late. Lows in the lower 40s. Southeast Winds around 10 Mph.

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Mitkof Island Temperature Statistics

October Temperature

Petersburg (11.8 miles)

  • Lowest 9 October, 2026

    37 °F

  • Average October

    48 °F

  • Highest 4 October, 2026

    54 °F

Climate (2021–2026)

Petersburg (11.8 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    43.5 °F

  • Average High 2021–2026

    48.9 °F
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