Arkansas Weather Forecast

    • 68
    • 88

    Chance Thunderstorms

    • 62
    • 81

    Rain Showers

    • 59
    • 76

    Partly Sunny

    • 60
    • 77

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 68
    • 84

    Partly Sunny

Today 4 Sep Hardy

Sunny late this Morning, then becoming partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Except in the mid 80s at the higher Elevations. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 4 Sep Hardy

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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Arkansas Temperature Statistics

September Temperature

Petersburg, Grant County Airport (22.4 miles)

  • Lowest 1 September, 2026

    65.7 °F

  • Average September

    79.7 °F

  • Highest 2 September, 2026

    96.3 °F

Climate (2021–2026)

Petersburg, Grant County Airport (22.4 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.4 °F
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