Winnetka Weather Forecast
- 72
- 108
Hot
- 73
- 109
Hot
- 74
- 109
Hot
- 75
- 108
Hot
- 72
- 103
Hot
- 67
- 99
Hot
Today 25 Aug Western San Fernando Valley
Partly cloudy. Highs 102 to 113.
Tonight 25 Aug Western San Fernando Valley
Mostly clear. Lows in the upper 60s to mid 70s.
Winnetka Temperature Statistics
August Temperature
Van Nuys, Van Nuys Airport (4.3 miles)
Lowest 16 August, 2026
62.7 °FAverage August
82.1 °FHighest 23 August, 2026
102.9 °F
Climate (2021–2026)
Van Nuys, Van Nuys Airport (4.3 miles)
Average Low 2021–2026
56.5 °FAverage 2021–2026
67.7 °FAverage High 2021–2026
79.6 °F