Rio Vista Weather Forecast

    • 64
    • 88

    Becoming Sunny

    • 63
    • 89

    Partly Sunny

    • 60
    • 89

    Partly Sunny

    • 54
    • 82

    Partly Sunny

    • 60
    • 87

    Partly Sunny

    • 64
    • 89

    Partly Sunny

Today 25 Mar Hays

Mostly cloudy this Morning, then clearing. Highs in the upper 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Mar Hays

Clear in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Vista Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (3.7 miles)

  • Lowest 13 March, 2026

    37.9 °F

  • Average March

    69 °F

  • Highest 15 March, 2026

    98.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    82.3 °F
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