Arkansas Weather Forecast

    • 61
    • 80

    Becoming Sunny

    • 66
    • 84

    Chance Rain Showers

    • 63
    • 80

    Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 63
    • 80

    Rain Showers Likely

    • 60
    • 79

    Slight Chance Thunderstorms

Today 18 Aug Hardy

Mostly sunny. Highs in the lower 80s. Except in the mid 70s at the higher Elevations. Northwest Winds 5 to 10 Mph.

Tonight 18 Aug Hardy

Mostly clear. Patchy fog after midnight. Lows around 60. Northwest Winds around 5 Mph, becoming west after midnight.

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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

    75.3 °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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