Catalina Airport Weather Forecast
- 60
- 71
Patchy Fog
- 65
- 81
Partly Sunny
- 65
- 79
Partly Sunny
- 67
- 80
Partly Sunny
- 65
- 81
Partly Sunny
- 62
- 76
Partly Sunny
Today 22 Sep Catalina and Santa Barbara Islands
Low Clouds and fog in the morning then partly cloudy. Highs in the 70s to around 80.
Tonight 22 Sep Catalina and Santa Barbara Islands
Partly cloudy in the evening then mostly cloudy. Lows in the upper 50s to mid 60s.
Catalina Airport Temperature Statistics
September Temperature
Avalon Catalina Airport (0 miles)
Lowest 1 September, 2026
57.7 °FAverage September
70.6 °FHighest 9 September, 2026
97.6 °F
Climate (2021–2026)
Avalon Catalina Airport (0 miles)
Average Low 2021–2026
56.2 °FAverage 2021–2026
62.5 °FAverage High 2021–2026
69 °F