Red Mountain Reservoir Weather Forecast
- 54
- 71
Increasing Clouds
- 51
- 64
Rain Showers
- 49
- 63
Rain Showers Likely
- 48
- 67
Partly Sunny
- 52
- 71
Partly Sunny
- 52
- 70
Partly Sunny
- 54
- 73
Mostly Sunny
Today 24 Apr San Diego County Inland Valleys
Partly cloudy this morning. Becoming mostly sunny. Highs 70 to 75. Areas of Winds south to 10 Mph becoming southwest this afternoon.
Tonight 24 Apr San Diego County Inland Valleys
Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 47 to 54. Areas of Winds southwest 10 Mph this evening becoming light. Chance of measurable precipitation 20 percent.
Red Mountain Reservoir Temperature Statistics
April Temperature
Fallbrook Community Airpark (4.3 miles)
Lowest 2 April, 2026
50 °FAverage April
62.4 °FHighest 4 April, 2026
87.8 °F
Climate (2021–Present)
Fallbrook Community Airpark (4.3 miles)
Average Low 2021–2026
53.7 °FAverage 2021–2026
62.1 °FAverage High 2021–2026
74.5 °F