Kearny Mesa Weather Forecast
- 68
- 84
Becoming Sunny
- 70
- 88
Partly Sunny
- 68
- 84
Slight Chance Rain Showers
- 65
- 78
Mostly Sunny
- 68
- 84
Mostly Sunny
- 68
- 88
Mostly Sunny
Today 25 Sep San Diego County Coastal Areas
Partly cloudy in the morning. Becoming mostly sunny. Highs 77 to 82 near the coast to 83 to 87 inland. Areas of Winds northwest to 10 Mph.
Tonight 25 Sep San Diego County Coastal Areas
Partly cloudy. Patchy fog overnight. Lows 64 to 69. Areas of Winds northwest to 10 Mph in the evening becoming light.
Kearny Mesa Temperature Statistics
September Temperature
San Diego, Montgomery Field (0.6 miles)
Lowest 3 September, 2026
59.6 °FAverage September
76.6 °FHighest 9 September, 2026
103.6 °F
Climate (2021–2026)
San Diego, Montgomery Field (0.6 miles)
Average Low 2021–2026
56.3 °FAverage 2021–2026
64.6 °FAverage High 2021–2026
73.5 °F