Chacon Reservoir Weather Forecast

    • 68
    • 80

    Chance Thunderstorms

    • 70
    • 85

    Rain Showers Likely

    • 68
    • 82

    Rain Showers

    • 67
    • 83

    Chance Thunderstorms

    • 69
    • 84

    Slight Chance Thunderstorms

    • 71
    • 84

    Chance Thunderstorms

Today 21 May Medina

Mostly cloudy in the Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 5 to 10 Mph, becoming south in the afternoon. Chance of rain 40 percent.

Tonight 21 May Medina

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chacon Reservoir Temperature Statistics

May Temperature

Castroville Municipal Airport (6.8 miles)

  • Lowest 2 May, 2026

    50 °F

  • Average May

    74.6 °F

  • Highest 9 May, 2026

    91.4 °F

Climate (2021–Present)

Castroville Municipal Airport (6.8 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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