Rossmoor Park Weather Forecast
- 53
- 75
Patchy Fog
- 53
- 71
Patchy Fog
- 53
- 69
Patchy Fog
- 53
- 70
Mostly Cloudy
- 54
- 69
Partly Sunny
- 57
- 67
Rain Showers
- 55
- 65
Rain Showers
Today 18 Dec Orange County Inland
Partly cloudy with patchy fog this morning. Becoming mostly sunny. Local visibility one quarter mile or less at Times this morning. Warmer. Highs around 77 towards the coast to 79 to 82 farther inland. Areas of Winds northeast to 10 Mph this morning becoming light.
Tonight 18 Dec Orange County Inland
Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 52 to 55. Light Winds.
Rossmoor Park Temperature Statistics
December Temperature
Los Alamitos Army Airfield (1.9 miles)
Lowest 5 December, 2025
43 °FAverage December
58.1 °FHighest 9 December, 2025
77.5 °F
Climate (2020–Present)
Los Alamitos Army Airfield (1.9 miles)
Average Low 2020–2025
54.4 °FAverage 2020–2025
62.7 °FAverage High 2020–2025
73 °F