San Antonio Reservoir Recreation Area Weather Forecast

    • 44
    • 60

    Rain Showers

    • 45
    • 75

    Mostly Sunny

    • 46
    • 83

    Sunny

    • 51
    • 89

    Sunny

    • 51
    • 93

    Sunny

    • 51
    • 94

    Mostly Sunny

Today 28 May Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Rain likely in the Morning, then rain and a slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 28 May Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Cloudy. Patchy fog. A slight chance of rain. Lows in the mid 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio Reservoir Recreation Area Temperature Statistics

May Temperature

Paso Robles Municipal Airport (24.2 miles)

  • Lowest 4 May, 2026

    40.6 °F

  • Average May

    64.9 °F

  • Highest 10 May, 2026

    94.6 °F

Climate (2021–Present)

Paso Robles Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    77.9 °F
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