Shamrock Weather Forecast

    • 69
    • 94

    Thunderstorms

    • 71
    • 89

    Thunderstorms

    • 69
    • 91

    Mostly Sunny

    • 69
    • 91

    Slight Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

    • 58
    • 75

    Partly Sunny

Today 15 Sep Callaway

Partly sunny with a 20 percent chance of Showers. Highs in the mid 70s.

Tonight 15 Sep Callaway

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 50 percent.

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Shamrock Temperature Statistics

September Temperature

Columbia, Columbia Regional Airport (31.1 miles)

  • Lowest 11 September, 2026

    66 °F
  • Average September

    80.2 °F
  • Highest 5 September, 2026

    100 °F

Climate (2021–2026)

Columbia, Columbia Regional Airport (31.1 miles)

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  • Average Low 2021–2026

    47.9 °F
  • Average 2021–2026

    57.5 °F
  • Average High 2021–2026

    67.5 °F
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