Medina Dam Weather Forecast

    • 75
    • 98

    Slight Chance Thunderstorms

    • 73
    • 97

    Hot

    • 73
    • 97

    Hot

    • 74
    • 97

    Hot

    • 73
    • 96

    Slight Chance Thunderstorms

    • 73
    • 96

    Slight Chance Rain Showers

Today 17 Sep Medina

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. East Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 105.

Tonight 17 Sep Medina

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. East Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 20 percent.

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Medina Dam Temperature Statistics

September Temperature

Castroville Municipal Airport (14.3 miles)

  • Lowest 2 September, 2026

    73.4 °F

  • Average September

    87.9 °F

  • Highest 2 September, 2026

    102.2 °F

Climate (2021–2026)

Castroville Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    61.7 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    84.6 °F
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