Sylmar Weather Forecast

    • 43
    • 61

    Increasing Clouds

    • 41
    • 60

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 51
    • 74

    Partly Sunny

    • 52
    • 78

    Mostly Sunny

    • 49
    • 76

    Mostly Cloudy

Today 29 Jan Western San Fernando Valley

Mostly cloudy in the morning then sunny. Areas of frost in the morning. Highs in the lower 60s.

Tonight 29 Jan Western San Fernando Valley

Mostly clear in the evening then mostly cloudy. Lows in the upper 30s to mid 40s.

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Sylmar Temperature Statistics

January Temperature

Los Angeles, Whiteman Airport (5 miles)

  • Lowest 19 January, 2025

    42.8 °F

  • Average January

    62.4 °F

  • Highest 2 January, 2025

    78.8 °F

Climate (2020–Present)

Los Angeles, Whiteman Airport (5 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    76.2 °F
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