Arkansas Weather Forecast

    • 63
    • 83

    Slight Chance Rain Showers

    • 51
    • 75

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 62
    • 81

    Chance Rain Showers

Today 13 Sep Hardy

Patchy fog in the morning. Partly sunny. Highs in the mid 80s. Except in the upper 70s at the higher Elevations. Northwest Winds around 5 Mph.

Tonight 13 Sep Hardy

Showers with a slight chance of Thunderstorms. Patchy fog. Lows in the mid 60s. Light and variable Winds. Chance of rain 90 percent.

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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

    73.9 °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

    67.5 °F
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