Castroville Weather Forecast

    • 79
    • 100

    Hot

    • 77
    • 95

    Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 77
    • 96

    Mostly Sunny

    • 76
    • 97

    Hot

    • 75
    • 96

    Partly Sunny

Today 18 Jun Medina

Mostly sunny. Humid with Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Highest heat index Readings up to 111.

Tonight 18 Jun Medina

Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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Castroville Temperature Statistics

June Temperature

Castroville Municipal Airport (1.9 miles)

  • Lowest 5 June, 2026

    69.8 °F

  • Average June

    81.6 °F

  • Highest 10 June, 2026

    95 °F

Climate (2021–2026)

Castroville Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    61.6 °F

  • Average 2021–2026

    72.4 °F

  • Average High 2021–2026

    84.3 °F
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