Shamrock Weather Forecast

    • 72
    • 87

    Decreasing Clouds

    • 74
    • 90

    Slight Chance Thunderstorms

    • 76
    • 89

    Slight Chance Thunderstorms

    • 77
    • 88

    Slight Chance Thunderstorms

    • 78
    • 89

    Chance Rain Showers

    • 78
    • 90

    Chance Rain Showers

Today 31 May Coastal Harris

Mostly cloudy. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 31 May Coastal Harris

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shamrock Temperature Statistics

May Temperature

Houston / Ellington (16.2 miles)

  • Lowest 4 May, 2025

    59 °F

  • Average May

    78.1 °F

  • Highest 14 May, 2025

    91.4 °F

Climate (2020–Present)

Houston / Ellington (16.2 miles)

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  • Average Low 2020–2025

    63.6 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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