Lake San Antonio Weather Forecast

    • 40
    • 67

    Decreasing Clouds

    • 38
    • 65

    Mostly Sunny

    • 36
    • 64

    Mostly Sunny

    • 37
    • 66

    Mostly Cloudy

    • 36
    • 67

    Partly Sunny

    • 40
    • 66

    Mostly Cloudy

Today 22 Jan Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the mid 60s. Light Winds. Becoming northwest around 5 Mph in the afternoon.

Tonight 22 Jan Southern Salinas Valley/Arroyo Seco and Lake San Antonio

Mostly clear in the evening then becoming partly cloudy. Areas of fog. Lows in the lower 40s. Northwest Winds up to 5 Mph in the evening. Becoming light.

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Lake San Antonio Temperature Statistics

January Temperature

Paso Robles Municipal Airport (22.4 miles)

  • Lowest 9 January, 2026

    27 °F

  • Average January

    48 °F

  • Highest 15 January, 2026

    70 °F

Climate (2021–Present)

Paso Robles Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    77.6 °F
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