Winnetka Weather Forecast

    • 64
    • 99

    Hot

    • 65
    • 99

    Hot

    • 65
    • 99

    Hot

    • 67
    • 100

    Hot

    • 68
    • 100

    Hot

    • 68
    • 99

    Hot

Today 4 Aug Western San Fernando Valley

Sunny. Highs 90 to 102.

Tonight 4 Aug Western San Fernando Valley

Mostly clear. Lows in the upper 50s to mid 60s.

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  • Temperature Real-Time

Winnetka Temperature Statistics

August Temperature

Van Nuys, Van Nuys Airport (4.3 miles)

  • Lowest 1 August, 2026

    69.7 °F

  • Average August

    83.2 °F

  • Highest 1 August, 2026

    99.6 °F

Climate (2021–2026)

Van Nuys, Van Nuys Airport (4.3 miles)

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  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    79.5 °F
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