Morro Bay Weather Forecast

    • 56
    • 64

    Rain

    • 57
    • 61

    Rain

    • 55
    • 61

    Rain

    • 51
    • 59

    Rain Likely

    • 50
    • 60

    Rain Likely

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    • 59

    Chance Rain

Today 31 Dec San Luis Obispo County Beaches

Rain likely in the Morning, then rain in the afternoon. Highs in the 60s. East Winds around 15 Mph.

Tonight 31 Dec San Luis Obispo County Beaches

Rain. Lows in the lower to mid 50s. Southeast Winds around 15 Mph after midnight.

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Morro Bay Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.9 miles)

  • Lowest 4 December, 2025

    37 °F
  • Average December

    57.1 °F
  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (14.9 miles)

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  • Average Low 2020–2025

    50 °F
  • Average 2020–2025

    60.4 °F
  • Average High 2020–2025

    72.8 °F
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