Kearny Mesa Weather Forecast
- 52
- 70
Increasing Clouds
- 54
- 69
Mostly Cloudy
- 58
- 67
Rain Showers
- 58
- 67
Rain Showers
- 55
- 67
Rain Showers
- 52
- 65
Rain Showers Likely
Today 21 Dec San Diego County Coastal Areas
Mostly cloudy with patchy fog in the morning. Becoming partly cloudy. Highs 64 to 69 near the coast to 69 to 72 inland. Light Winds becoming west 10 Mph in the afternoon.
Tonight 21 Dec San Diego County Coastal Areas
Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 48 to 52. Areas of Winds northwest 10 Mph in the evening becoming light.
Kearny Mesa Temperature Statistics
December Temperature
San Diego, Montgomery Field (0.6 miles)
Lowest 5 December, 2025
45 °FAverage December
58.9 °FHighest 9 December, 2025
81 °F
Climate (2020–Present)
San Diego, Montgomery Field (0.6 miles)
Average Low 2020–2025
55.8 °FAverage 2020–2025
63.9 °FAverage High 2020–2025
73 °F