Sylmar Weather Forecast

    • 57
    • 91

    Sunny

    • 51
    • 81

    Increasing Clouds

    • 49
    • 77

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

Today 11 May Western San Fernando Valley

Low Clouds and fog mostly clearing in the afternoon. Highs in the mid 80s to mid 90s.

Tonight 11 May Western San Fernando Valley

Mostly clear. Lows in the upper 50s.

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Sylmar Temperature Statistics

May Temperature

Los Angeles, Whiteman Airport (5 miles)

  • Lowest 5 May, 2026

    55.4 °F

  • Average May

    67.8 °F

  • Highest 7 May, 2026

    80.6 °F

Climate (2021–Present)

Los Angeles, Whiteman Airport (5 miles)

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    76.5 °F
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