Winnetka Weather Forecast
- 65
- 101
Hot
- 67
- 103
Hot
- 67
- 102
Hot
- 70
- 100
Hot
- 69
- 99
Hot
- 68
- 98
Hot
Today 18 Aug Western San Fernando Valley
Mostly cloudy in the morning then partly cloudy. Highs 96 to 101.
Tonight 18 Aug Western San Fernando Valley
Partly cloudy. Lows in the mid 60s to around 70.
Winnetka Temperature Statistics
August Temperature
Van Nuys, Van Nuys Airport (4.3 miles)
Lowest 16 August, 2026
62.1 °FAverage August
80.9 °FHighest 8 August, 2026
101.6 °F
Climate (2021–2026)
Van Nuys, Van Nuys Airport (4.3 miles)
Average Low 2021–2026
56.5 °FAverage 2021–2026
67.6 °FAverage High 2021–2026
79.5 °F