Petersburg Weather Forecast

    • 71
    • 94

    Slight Chance Thunderstorms

    • 65
    • 86

    Partly Sunny

    • 66
    • 87

    Sunny

    • 68
    • 87

    Chance Rain Showers

    • 66
    • 81

    Rain Showers Likely

    • 65
    • 83

    Mostly Sunny

Today 27 Jul Muscatine

Mostly sunny with a chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 116.

Tonight 27 Jul Muscatine

Mostly clear. Patchy smoke. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Heat index Values up to 116 early in the evening.

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Petersburg Temperature Statistics

July Temperature

Davenport Municipal Airport (10.6 miles)

  • Lowest 23 July, 2026

    51.1 °F

  • Average July

    75.3 °F

  • Highest 1 July, 2026

    90 °F

Climate (2021–2026)

Davenport Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.6 °F
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