Kupreanof Weather Forecast

    • 32
    • 39

    Snow Showers

    • 31
    • 42

    Rain/Snow

    • 29
    • 39

    Snow Showers

    • 27
    • 40

    Chance Snow

    • 30
    • 39

    Chance Snow

    • 29
    • 38

    Snow Likely

Today 20 Mar Petersburg Borough

Widespread snow Showers. Snow accumulation around 1 inch. Highs in the upper 30s. Southeast Winds around 10 Mph.

Tonight 20 Mar Petersburg Borough

Widespread snow Showers. Snow accumulation of 2 to 3 Inches. Lows in the upper 20s. Southeast Winds 10 to 20 Mph.

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Kupreanof Temperature Statistics

March Temperature

Petersburg (1.2 miles)

  • Lowest 12 March, 2026

    21.9 °F

  • Average March

    32.2 °F

  • Highest 6 March, 2026

    44.1 °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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