Portage Bay Weather Forecast

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    • 46

    Rain

    • 40
    • 50

    Rain

    • 39
    • 47

    Rain

    • 40
    • 51

    Rain

    • 41
    • 55

    Rain Likely

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    • 50

    Rain

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    Rain Showers Likely

Today 8 May Petersburg Borough

Slight chance of rain early in the Morning, then rain. Highs 52 to 58. Light Winds becoming east around 10 Mph.

Tonight 8 May Petersburg Borough

Rain early in the Evening, then rain Showers. Areas of fog late. Lows in the lower 40s. Southeast Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portage Bay Temperature Statistics

May Temperature

Petersburg (19.3 miles)

  • Lowest 5 May, 2026

    41 °F

  • Average May

    48.4 °F

  • Highest 5 May, 2026

    62.1 °F

Climate (2021–Present)

Petersburg (19.3 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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