Newport Bay - Promontory Bay Weather Forecast
- 65
- 73
Increasing Clouds
- 64
- 71
Mostly Cloudy
- 64
- 71
Mostly Cloudy
- 64
- 72
Partly Sunny
- 64
- 73
Partly Sunny
- 64
- 74
Partly Sunny
Today 19 Jul Orange County Coastal
Mostly cloudy in the morning. Becoming mostly sunny. Highs around 72 at the Beaches to 77 farther inland and near higher coastal Terrain. Areas of Winds south to 10 Mph.
Tonight 19 Jul Orange County Coastal
Mostly clear in the evening. Becoming mostly cloudy. Lows 62 to 65. Areas of Winds southwest 10 Mph in the evening becoming light.
Newport Bay - Promontory Bay Temperature Statistics
July Temperature
John Wayne-Orange County Airport (5 miles)
Lowest 3 July, 2025
61 °FAverage July
70.1 °FHighest 8 July, 2025
80.7 °F
Climate (2020–Present)
John Wayne-Orange County Airport (5 miles)
Average Low 2020–2025
58.6 °FAverage 2020–2025
65.6 °FAverage High 2020–2025
73.6 °F