La Jolla Mesa Weather Forecast
- 74
- 81
Partly Sunny
- 73
- 81
Mostly Sunny
- 70
- 78
Partly Sunny
- 68
- 75
Partly Sunny
- 66
- 73
Partly Sunny
- 66
- 72
Mostly Sunny
Today 8 Sep San Diego County Coastal Areas
Partly cloudy this morning. Becoming mostly sunny. Highs 83 to 88 near the coast to 92 to 97 inland. Areas of Winds northwest to 10 Mph becoming west with Gusts to 30 Mph this afternoon.
Tonight 8 Sep San Diego County Coastal Areas
Mostly clear in the evening. Becoming partly cloudy. Lows 73 to 76. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.
La Jolla Mesa Temperature Statistics
September Temperature
San Diego, Montgomery Field (6.8 miles)
Lowest 3 September, 2026
59.6 °FAverage September
74.1 °FHighest 6 September, 2026
91.9 °F
Climate (2021–2026)
San Diego, Montgomery Field (6.8 miles)
Average Low 2021–2026
56.3 °FAverage 2021–2026
64.5 °FAverage High 2021–2026
73.5 °F