Castaic Lagoon Weather Forecast

    • 52
    • 90

    Increasing Clouds

    • 49
    • 84

    Partly Sunny

    • 52
    • 81

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

Today 5 Jun Santa Clarita Valley

Sunny. Highs in the mid to upper 80s. South Winds 10 to 20 Mph in the afternoon.

Tonight 5 Jun Santa Clarita Valley

Mostly clear in the evening then mostly cloudy. Lows in the upper 40s to mid 50s. South Winds 10 to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castaic Lagoon Temperature Statistics

June Temperature

Van Nuys, Van Nuys Airport (21.1 miles)

  • Lowest 3 June, 2026

    57 °F

  • Average June

    69.9 °F

  • Highest 3 June, 2026

    84 °F

Climate (2021–Present)

Van Nuys, Van Nuys Airport (21.1 miles)

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

  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    79.6 °F
Get WillyWeather+ to remove ads