Petersburg Weather Forecast

    • 51
    • 67

    Chance Rain Showers

    • 39
    • 60

    Chance Rain/Snow

    • 32
    • 49

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

    • 39
    • 63

    Partly Sunny

    • 35
    • 57

    Mostly Sunny

Today 19 Oct Eastern Grant

Widespread frost in the morning. Sunny. Highs in the mid 60s. South Winds around 5 Mph.

Tonight 19 Oct Eastern Grant

Mostly cloudy with a 50 percent chance of Showers. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

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Petersburg Temperature Statistics

October Temperature

Petersburg, Grant County Airport (0.6 miles)

  • Lowest 13 October, 2018

    38.3 °F
  • Average October

    64.2 °F
  • Highest 7 October, 2018

    87.8 °F

Climate (2010–Present)

Petersburg, Grant County Airport (0.6 miles)

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  • Average Low 2010–Present

    44.1 °F
  • Average 2010–Present

    55.3 °F
  • Average High 2010–Present

    66.6 °F
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