Winnetka Weather Forecast

    • 66
    • 96

    Slight Chance Thunderstorms

    • 63
    • 89

    Mostly Cloudy

    • 58
    • 84

    Patchy Fog

    • 62
    • 86

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 64
    • 91

    Mostly Sunny

Today 11 Aug Western San Fernando Valley

Partly cloudy in the Morning, then sunny with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s to mid 90s.

Tonight 11 Aug Western San Fernando Valley

Mostly clear in the evening then mostly cloudy. Lows in the lower to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnetka Temperature Statistics

August Temperature

Van Nuys, Van Nuys Airport (4.3 miles)

  • Lowest 4 August, 2026

    66.7 °F
  • Average August

    82.4 °F
  • Highest 8 August, 2026

    101.6 °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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