Petersburg Weather Forecast

    • 45
    • 79

    Increasing Clouds

    • 36
    • 54

    Rain Showers Likely

    • 33
    • 46

    Rain Showers Likely

    • 34
    • 51

    Partly Sunny

    • 37
    • 57

    Chance Rain Showers

    • 34
    • 57

    Chance Rain Showers

Today 10 Oct Nelson

Mostly sunny. Highs 75 to 80. South Winds around 10 Mph shifting to the southwest this afternoon.

Tonight 10 Oct Nelson

Mostly cloudy. A slight chance of Showers after midnight. Lows in the mid 40s. North Winds 10 to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petersburg Temperature Statistics

October Temperature

Grand Forks Air Force Base (28 miles)

  • Lowest 5 October, 2026

    33.1 °F

  • Average October

    54.3 °F

  • Highest 6 October, 2026

    73.2 °F

Climate (2021–2026)

Grand Forks Air Force Base (28 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    52.1 °F
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