San Joaquin Reservoir Weather Forecast
- 55
- 73
Increasing Clouds
- 56
- 65
Chance Rain Showers
- 49
- 63
Chance Rain Showers
- 51
- 64
Partly Sunny
- 51
- 66
Mostly Sunny
- 50
- 65
Chance Rain Showers
Today 9 Feb Orange County Coastal
Partly cloudy. Highs 71 to 74 at the Beaches to 76 to 79 farther inland and near higher coastal Terrain. Light Winds.
Tonight 9 Feb Orange County Coastal
Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows around 54. Light Winds becoming southeast 10 Mph overnight.
San Joaquin Reservoir Temperature Statistics
February Temperature
John Wayne-Orange County Airport (4.3 miles)
Lowest 1 February, 2026
52.6 °FAverage February
65.8 °FHighest 4 February, 2026
89.7 °F
Climate (2021–Present)
John Wayne-Orange County Airport (4.3 miles)
Average Low 2021–2026
58.8 °FAverage 2021–2026
65.7 °FAverage High 2021–2026
73.5 °F