Santa Margarita Lake County Park Weather Forecast

    • 36
    • 70

    Mostly Sunny

    • 37
    • 70

    Mostly Sunny

    • 41
    • 72

    Sunny

    • 41
    • 75

    Sunny

    • 40
    • 72

    Mostly Sunny

    • 41
    • 75

    Sunny

    • 41
    • 74

    Sunny

Today 7 Dec San Luis Obispo County Mountains

Sunny. Highs from the upper 60s to mid 70s at low Elevations to the upper 50s to mid 60s at high Elevations. East Winds around 15 Mph in the morning.

Tonight 7 Dec San Luis Obispo County Mountains

Mostly clear. Lows in the upper 30s and 40s. Northeast Winds 15 to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Margarita Lake County Park Temperature Statistics

December Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 5 December, 2025

    30 °F

  • Average December

    43.4 °F

  • Highest 2 December, 2025

    64.9 °F

Climate (2020–Present)

Paso Robles Municipal Airport (26.1 miles)

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

  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    77.7 °F
Get WillyWeather+ to remove ads