Medina Valley Weather Forecast

    • 77
    • 94

    Decreasing Clouds

    • 75
    • 93

    Slight Chance Thunderstorms

    • 76
    • 93

    Partly Sunny

    • 75
    • 94

    Chance Thunderstorms

    • 73
    • 90

    Rain Showers Likely

    • 73
    • 87

    Chance Thunderstorms

Today 11 Jun Bexar

Mostly cloudy with a slight chance of Showers this Morning, then partly cloudy this afternoon. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 106.

Tonight 11 Jun Bexar

Mostly cloudy. Near steady temperature in the upper 70s. South Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Medina Valley Temperature Statistics

June Temperature

Castroville Municipal Airport (5.6 miles)

  • Lowest 5 June, 2026

    69.8 °F

  • Average June

    80.9 °F

  • Highest 2 June, 2026

    93.2 °F

Climate (2021–Present)

Castroville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    61.6 °F

  • Average 2021–2026

    72.3 °F

  • Average High 2021–2026

    84.3 °F
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