Otay Ranch Weather Forecast
- 50
- 74
Mostly Sunny
- 51
- 69
Partly Sunny
- 51
- 70
Partly Sunny
- 50
- 69
Mostly Sunny
- 55
- 67
Rain Showers Likely
- 54
- 63
Rain Showers Likely
Today 19 Dec San Diego County Inland Valleys
Mostly sunny. Highs 75 to 80. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 19 Dec San Diego County Inland Valleys
Partly cloudy. Patchy fog overnight. Lows 42 to 51 in wind Sheltered Areas to 49 to 54 in warmer Locations. Light Winds.
Otay Ranch Temperature Statistics
December Temperature
San Diego, Brown Field Municipal Airport (7.5 miles)
Lowest 5 December, 2025
43 °FAverage December
58.9 °FHighest 10 December, 2025
86 °F
Climate (2020–Present)
San Diego, Brown Field Municipal Airport (7.5 miles)
Average Low 2020–2025
54.1 °FAverage 2020–2025
63.4 °FAverage High 2020–2025
73.8 °F