Kupreanof Weather Forecast

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 63

    Rain Showers

    • 51
    • 58

    Rain Showers

    • 53
    • 56

    Slight Chance Rain Showers

    • 53
    • 59

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 50
    • 59

    Mostly Cloudy

Today 23 Jun Petersburg Borough

Mostly cloudy then becoming partly cloudy in the morning then becoming mostly cloudy. Highs 68 to 74. Light Winds.

Tonight 23 Jun Petersburg Borough

Mostly cloudy. Lows in the lower 50s. Light Winds.

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  • Temperature Real-Time

Kupreanof Temperature Statistics

June Temperature

Petersburg (1.2 miles)

  • Lowest 1 June, 2026

    36 °F

  • Average June

    54.3 °F

  • Highest 2 June, 2026

    73.9 °F

Climate (2021–2026)

Petersburg (1.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    48.8 °F
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