San Joaquin Marsh Weather Forecast
- 63
- 76
Becoming Sunny
- 62
- 77
Partly Sunny
- 63
- 78
Partly Sunny
- 62
- 77
Mostly Cloudy
- 61
- 76
Partly Sunny
- 63
- 78
Partly Sunny
Today 22 Jul Orange County Coastal
Cloudy with patchy drizzle this Morning, then mostly sunny this afternoon. Highs 70 to 75. Light Winds becoming southwest 10 to 15 Mph this afternoon.
Tonight 22 Jul Orange County Coastal
Partly cloudy in the evening. Becoming cloudy. Lows 60 to 63. Areas of Winds west 10 Mph in the evening becoming light.
San Joaquin Marsh Temperature Statistics
July Temperature
John Wayne-Orange County Airport (1.2 miles)
Lowest 2 July, 2025
61.6 °FAverage July
70.9 °FHighest 8 July, 2025
80.7 °F
Climate (2020–Present)
John Wayne-Orange County Airport (1.2 miles)
Average Low 2020–2025
58.7 °FAverage 2020–2025
65.6 °FAverage High 2020–2025
73.6 °F