Big Twin Lake Weather Forecast

    • 54
    • 68

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 54
    • 78

    Sunny

    • 55
    • 78

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

    • 57
    • 72

    Partly Sunny

    • 56
    • 72

    Mostly Sunny

Today 4 Nov San Luis Obispo County Beaches

Sunny. Highs around 70. Northwest Winds around 15 Mph in the afternoon.

Tonight 4 Nov San Luis Obispo County Beaches

Mostly clear. Lows in the lower to mid 50s. North Winds around 15 Mph.

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Big Twin Lake Temperature Statistics

November Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

  • Lowest 2 November, 2026

    50 °F

  • Average November

    59.4 °F

  • Highest 2 November, 2026

    73.9 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    73.4 °F
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