Petersburg Weather Forecast

    • 57
    • 81

    Partly Sunny

    • 41
    • 83

    Rain

    • 30
    • 49

    Slight Chance Rain/Snow

    • 35
    • 62

    Mostly Cloudy

    • 38
    • 60

    Mostly Cloudy

    • 40
    • 69

    Chance Rain

Today 10 Mar Eastern Grant

Sunny with a 20 percent chance of rain. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 10 Mar Eastern Grant

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Petersburg Temperature Statistics

March Temperature

Petersburg, Grant County Airport (0.6 miles)

  • Lowest 2 March, 2026

    27.5 °F

  • Average March

    49.7 °F

  • Highest 7 March, 2026

    82 °F

Climate (2021–Present)

Petersburg, Grant County Airport (0.6 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.5 °F
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