Coronado Island Weather Forecast
- 58
- 70
Patchy Fog
- 59
- 71
Patchy Fog
- 59
- 72
Patchy Fog
- 58
- 72
Mostly Cloudy
- 58
- 72
Partly Sunny
- 58
- 71
Mostly Cloudy
- 58
- 71
Partly Sunny
Today 31 Oct San Diego County Coastal Areas
Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 68 to 73 near the coast to 74 to 78 inland. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 31 Oct San Diego County Coastal Areas
Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 54 to 58. Light Winds.
Coronado Island Temperature Statistics
October Temperature
San Diego, North Island, Naval Air Station (0.6 miles)
Lowest 16 October, 2025
54 °FAverage October
65.5 °FHighest 18 October, 2025
82 °F
Climate (2020–Present)
San Diego, North Island, Naval Air Station (0.6 miles)
Average Low 2020–2025
57.2 °FAverage 2020–2025
63 °FAverage High 2020–2025
69.2 °F