Kupreanof Weather Forecast

    • 44
    • 54

    Rain Showers

    • 42
    • 51

    Rain

    • 42
    • 49

    Rain Showers

    • 43
    • 52

    Rain Showers

    • 44
    • 54

    Rain

    • 42
    • 52

    Rain

Today 8 May Petersburg Borough

Rain. Highs 53 to 59. East Winds around 10 Mph.

Tonight 8 May Petersburg Borough

Rain Showers. Lows in the lower 40s. Southeast Winds around 10 Mph.

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Kupreanof Temperature Statistics

May Temperature

Petersburg (1.2 miles)

  • Lowest 5 May, 2026

    41 °F

  • Average May

    48.7 °F

  • Highest 5 May, 2026

    62.1 °F

Climate (2021–Present)

Petersburg (1.2 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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