Seawillow Weather Forecast

    • 74
    • 97

    Hot

    • 73
    • 98

    Hot

    • 73
    • 98

    Hot

    • 75
    • 95

    Mostly Cloudy

    • 76
    • 92

    Slight Chance Thunderstorms

    • 75
    • 95

    Partly Sunny

    • 75
    • 96

    Partly Sunny

Today 22 Jul Caldwell

Mostly cloudy this Morning, then becoming partly cloudy. Highs in the upper 90s. South Winds 5 to 10 Mph.

Tonight 22 Jul Caldwell

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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Seawillow Temperature Statistics

July Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

  • Lowest 10 July, 2025

    66.9 °F

  • Average July

    81.5 °F

  • Highest 17 July, 2025

    95 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    59.2 °F

  • Average 2020–2025

    69.8 °F

  • Average High 2020–2025

    81.5 °F
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