Powder Canyon Weather Forecast
- 65
- 89
Mostly Sunny
- 66
- 90
Mostly Sunny
- 65
- 88
Partly Sunny
- 64
- 85
Partly Sunny
- 63
- 84
Mostly Sunny
- 63
- 81
Partly Sunny
- 62
- 81
Mostly Sunny
Today 8 Aug Los Angeles County San Gabriel Valley
Sunny. Highs in the upper 80s to mid 90s.
Tonight 8 Aug Los Angeles County San Gabriel Valley
Mostly clear. Lows in the mid to upper 60s.
Powder Canyon Temperature Statistics
August Temperature
Fullerton, Fullerton Municipal Airport (6.8 miles)
Lowest 5 August, 2026
67.6 °FAverage August
79 °FHighest 1 August, 2026
92.6 °F
Climate (2021–2026)
Fullerton, Fullerton Municipal Airport (6.8 miles)
Average Low 2021–2026
57 °FAverage 2021–2026
66.5 °FAverage High 2021–2026
76.8 °F