Brea Weather Forecast
- 59
- 84
Increasing Clouds
- 56
- 81
Decreasing Clouds
- 57
- 82
Mostly Sunny
- 57
- 80
Partly Sunny
- 54
- 71
Partly Sunny
- 57
- 75
Mostly Sunny
- 57
- 79
Partly Sunny
Today 18 Oct Orange County Inland
Mostly sunny. Highs 81 to 84. Light Winds becoming southwest to 10 Mph this afternoon.
Tonight 18 Oct Orange County Inland
Partly cloudy. Patchy fog overnight. Lows 56 to 60. Light Winds.
Brea Temperature Statistics
October Temperature
Fullerton, Fullerton Municipal Airport (5.6 miles)
Lowest 16 October, 2025
51.1 °FAverage October
66.8 °FHighest 10 October, 2025
86 °F
Climate (2020–Present)
Fullerton, Fullerton Municipal Airport (5.6 miles)
Average Low 2020–2025
56.7 °FAverage 2020–2025
66 °FAverage High 2020–2025
76.5 °F