Plain Grove Weather Forecast

    • 59
    • 83

    Becoming Sunny

    • 62
    • 86

    Partly Sunny

    • 54
    • 83

    Chance Thunderstorms

    • 50
    • 73

    Partly Sunny

    • 47
    • 70

    Slight Chance Rain Showers

    • 46
    • 71

    Mostly Sunny

Today 22 Aug Lawrence

Patchy fog this morning. Partly cloudy. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 22 Aug Lawrence

Mainly clear. Patchy fog after midnight. Lows around 60. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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Plain Grove Temperature Statistics

August Temperature

New Castle, New Castle Municipal Airport (13.7 miles)

  • Lowest 2 August, 2025

    51.1 °F

  • Average August

    71.7 °F

  • Highest 12 August, 2025

    93 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.1 °F
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