Arkansas Weather Forecast

    • 56
    • 78

    Decreasing Clouds

    • 58
    • 79

    Partly Sunny

    • 63
    • 84

    Partly Sunny

    • 69
    • 86

    Slight Chance Thunderstorms

    • 61
    • 83

    Chance Thunderstorms

    • 58
    • 78

    Mostly Sunny

Today 6 Sep Hardy

Partly sunny. Highs in the upper 70s. Except in the lower 70s at the higher Elevations. Northeast Winds around 5 Mph.

Tonight 6 Sep Hardy

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

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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

    77.7 °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

    67.5 °F
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