Arkansas Weather Forecast

    • 60
    • 80

    Rain Showers Likely

    • 60
    • 79

    Rain Showers Likely

    • 58
    • 78

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 64
    • 82

    Rain Showers Likely

Today 21 Aug Hardy

Partly sunny with isolated Showers. Highs in the lower 80s. Except in the mid 70s at the higher Elevations. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 21 Aug Hardy

Mostly cloudy. Isolated Showers in the Evening, then numerous Showers with isolated Thunderstorms after midnight. Areas of fog after midnight. Lows around 60. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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Arkansas Temperature Statistics

August Temperature

Petersburg, Grant County Airport (22.4 miles)

  • Lowest 4 August, 2026

    57.4 °F

  • Average August

    75.2 °F

  • Highest 10 August, 2026

    92.5 °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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