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.
Sylmar Temperature Statistics
January Temperature
Los Angeles, Whiteman Airport (5 miles)
Lowest 19 January, 2025
42.8 °FAverage January
62.4 °FHighest 2 January, 2025
78.8 °F
Climate (2020–Present)
Los Angeles, Whiteman Airport (5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
60.3 °FAverage 2020–2025
70.1 °FAverage High 2020–2025
76.2 °F