Whale Rock Reservoir Weather Forecast

    • 55
    • 62

    Rain

    • 55
    • 58

    Rain

    • 55
    • 58

    Rain

    • 52
    • 58

    Rain

    • 52
    • 57

    Rain Likely

    • 51
    • 57

    Rain Likely

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 mid 50s. East Winds 15 to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Whale Rock Reservoir Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    72.8 °F
Get WillyWeather+ to remove ads