Petersburg Weather Forecast

    • 43
    • 59

    Rain Showers

    • 41
    • 50

    Rain

    • 39
    • 51

    Rain

    • 39
    • 52

    Rain Showers

    • 40
    • 53

    Rain Showers Likely

    • 40
    • 50

    Rain

    • 39
    • 49

    Rain

Today 12 May Petersburg Borough

Mostly cloudy. Patchy fog in the morning. Sprinkles in the afternoon. Highs 59 to 67. Light Winds.

Tonight 12 May Petersburg Borough

Cloudy. Slight chance of rain Showers in the Evening, then chance of rain and patchy fog late. Lows in the lower 40s. Light Winds.

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Petersburg Temperature Statistics

May Temperature

Petersburg (0.6 miles)

  • Lowest 5 May, 2026

    41 °F

  • Average May

    48.2 °F

  • Highest 5 May, 2026

    62.1 °F

Climate (2021–Present)

Petersburg (0.6 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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