Arkansas Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 68
    • 86

    Chance Thunderstorms

    • 61
    • 80

    Slight Chance Thunderstorms

    • 65
    • 76

    Chance Rain Showers

    • 64
    • 83

    Chance Rain Showers

Today 15 Sep Hardy

Sunny. Highs in the upper 70s. Except in the lower 70s at the higher Elevations. South Winds around 5 Mph.

Tonight 15 Sep Hardy

Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Arkansas Temperature Statistics

September Temperature

Petersburg, Grant County Airport (22.4 miles)

  • Lowest 8 September, 2026

    55.8 °F

  • Average September

    73.8 °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

    44.3 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.4 °F
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