Rio Vista Park Weather Forecast
- 63
- 85
Mostly Sunny
- 62
- 83
Increasing Clouds
- 63
- 83
Mostly Sunny
- 66
- 87
Partly Sunny
- 67
- 89
Mostly Sunny
- 67
- 89
Partly Sunny
- 65
- 86
Partly Sunny
Today 5 Jul Orange County Inland
Partly cloudy this morning. Becoming mostly sunny. Highs 80 to 83 towards the coast to 85 to 88 farther inland. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 5 Jul Orange County Inland
Mostly clear this evening. Becoming partly cloudy. Lows 55 to 62. Areas of Winds southwest to 10 Mph this evening becoming light.
Rio Vista Park Temperature Statistics
July Temperature
Fullerton, Fullerton Municipal Airport (6.8 miles)
Lowest 1 July, 2025
61 °FAverage July
68.3 °FHighest 1 July, 2025
79 °F
Climate (2020–Present)
Fullerton, Fullerton Municipal Airport (6.8 miles)
Average Low 2020–2025
56.8 °FAverage 2020–2025
66.1 °FAverage High 2020–2025
76.8 °F