El Capitan Reservoir Weather Forecast
- 60
- 83
Mostly Cloudy
- 59
- 86
Mostly Sunny
- 62
- 88
Mostly Sunny
- 63
- 90
Mostly Sunny
- 65
- 92
Mostly Sunny
- 65
- 94
Mostly Sunny
Today 13 Aug San Diego County Inland Valleys
Mostly cloudy. Highs 78 to 83. Areas of Winds southwest to 10 Mph.
Tonight 13 Aug San Diego County Inland Valleys
Mostly cloudy. Patchy fog overnight. Lows 59 to 64. Areas of Winds west to 10 Mph in the evening becoming light.
El Capitan Reservoir Temperature Statistics
August Temperature
Ramona, Ramona Airport (11.8 miles)
Lowest 3 August, 2026
55.9 °FAverage August
76.5 °FHighest 2 August, 2026
98.1 °F
Climate (2021–2026)
Ramona, Ramona Airport (11.8 miles)
Average Low 2021–2026
51.6 °FAverage 2021–2026
64.6 °FAverage High 2021–2026
76.8 °F