Port San Luis Weather Forecast

    • 60
    • 73

    Becoming Sunny

    • 61
    • 70

    Partly Sunny

    • 56
    • 70

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 55
    • 69

    Mostly Cloudy

    • 58
    • 66

    Chance Rain

Today 25 Mar San Luis Obispo County Beaches

Sunny except for patchy low Clouds and fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs in the upper 60s to mid 70s. Northwest Winds 15 to 25 Mph.

Tonight 25 Mar San Luis Obispo County Beaches

Mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds around 15 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Port San Luis Temperature Statistics

March Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

  • Lowest 7 March, 2026

    42.1 °F

  • Average March

    65.2 °F

  • Highest 17 March, 2026

    97.6 °F

Climate (2021–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (7.5 miles)

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

  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    73.1 °F
Get WillyWeather+ to remove ads