Petersburg Weather Forecast

    • 74
    • 89

    Slight Chance Thunderstorms

    • 68
    • 91

    Rain Showers Likely

    • 65
    • 82

    Chance Thunderstorms

    • 67
    • 84

    Mostly Sunny

    • 70
    • 87

    Mostly Sunny

    • 71
    • 90

    Slight Chance Thunderstorms

Today 22 Jul Jackson

Mostly sunny. Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 100.

Tonight 22 Jul Jackson

Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Petersburg Temperature Statistics

July Temperature

Jackson, Jackson Municipal Airport (8.7 miles)

  • Lowest 17 July, 2025

    51.8 °F

  • Average July

    72.3 °F

  • Highest 3 July, 2025

    91.4 °F

Climate (2020–Present)

Jackson, Jackson Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    57.1 °F
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