Seawillow Weather Forecast

    • 32
    • 57

    Breezy

    • 42
    • 67

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 55
    • 85

    Sunny

    • 58
    • 91

    Sunny

    • 60
    • 93

    Sunny

Today 16 Mar Caldwell

Partly cloudy and breezy. Much cooler with Highs in the upper 50s. North Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 16 Mar Caldwell

Mostly cloudy in the Evening, then clearing. Cold with Lows in the lower 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seawillow Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

  • Lowest 13 March, 2026

    37.9 °F

  • Average March

    69.9 °F

  • Highest 4 March, 2026

    87.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    82.2 °F
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