Lake San Antonio Weather Forecast

    • 39
    • 65

    Decreasing Clouds

    • 40
    • 68

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

    • 46
    • 80

    Mostly Sunny

    • 45
    • 81

    Mostly Sunny

    • 46
    • 83

    Mostly Sunny

Today 26 Apr Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. A slight chance of drizzle. Highs in the mid 60s. South Winds around 5 Mph. Becoming west in the afternoon.

Tonight 26 Apr Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Partly cloudy. Areas of fog after midnight. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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Lake San Antonio Temperature Statistics

April Temperature

Paso Robles Municipal Airport (22.4 miles)

  • Lowest 3 April, 2026

    33.7 °F

  • Average April

    59 °F

  • Highest 5 April, 2026

    88.6 °F

Climate (2021–Present)

Paso Robles Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    78 °F
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