Vista Grande Park Weather Forecast
- 65
- 85
Increasing Clouds
- 64
- 82
Increasing Clouds
- 63
- 80
Partly Sunny
- 63
- 81
Mostly Sunny
- 63
- 82
Sunny
- 63
- 83
Mostly Sunny
- 63
- 82
Partly Sunny
Today 14 Sep Orange County Inland
Partly cloudy with patchy fog this morning. Becoming sunny. Highs around 81 towards the coast to 83 to 86 farther inland. Areas of Winds south 10 Mph.
Tonight 14 Sep Orange County Inland
Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 58 to 66. Areas of Winds south 10 Mph.
Vista Grande Park Temperature Statistics
September Temperature
Fullerton, Fullerton Municipal Airport (3.7 miles)
Lowest 2 September, 2026
63.6 °FAverage September
79.6 °FHighest 9 September, 2026
108.6 °F
Climate (2021–2026)
Fullerton, Fullerton Municipal Airport (3.7 miles)
Average Low 2021–2026
57.1 °FAverage 2021–2026
66.7 °FAverage High 2021–2026
76.9 °F