Shamrock Weather Forecast

    • 46
    • 72

    Rain Showers

    • 41
    • 61

    Sunny

    • 44
    • 71

    Sunny

    • 34
    • 60

    Sunny

    • 43
    • 64

    Mostly Sunny

    • 46
    • 68

    Chance Rain Showers

Today 18 Oct Callaway

Mostly sunny with a chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Cooler with Highs in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 18 Oct Callaway

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Much cooler with Lows in the mid 40s. Southwest Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph after midnight. Chance of rain 90 percent.

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Shamrock Temperature Statistics

October Temperature

Columbia, Columbia Regional Airport (31.1 miles)

  • Lowest 8 October, 2025

    46.9 °F

  • Average October

    68.1 °F

  • Highest 2 October, 2025

    87.1 °F

Climate (2020–Present)

Columbia, Columbia Regional Airport (31.1 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    67.1 °F
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