Santee Recreational Lakes Weather Forecast
- 55
- 84
Mostly Sunny
- 56
- 83
Mostly Sunny
- 57
- 80
Partly Sunny
- 54
- 72
Partly Sunny
- 56
- 76
Mostly Sunny
- 57
- 80
Partly Sunny
- 56
- 77
Mostly Cloudy
Today 19 Oct San Diego County Inland Valleys
Mostly sunny. Highs 82 to 87. Areas of Winds east to 10 Mph becoming west with Gusts to 25 Mph this afternoon.
Tonight 19 Oct San Diego County Inland Valleys
Mostly clear. Lows 51 to 56. Light Winds.
Santee Recreational Lakes Temperature Statistics
October Temperature
Gillespie Field Airport (1.9 miles)
Lowest 16 October, 2025
48.2 °FAverage October
63.4 °FHighest 10 October, 2025
84.2 °F
Climate (2020–Present)
Gillespie Field Airport (1.9 miles)
Average Low 2020–2025
52.9 °FAverage 2020–2025
60.1 °FAverage High 2020–2025
75.7 °F