21°
Partly cloudy, feels like 21°.
Santa Catalina Island, California, United States · Wednesday, 4 November 2026 09:00 local time
Low/High
17°/23°
Humidity
68%
Visibility
24.1 km
Wind
13.7 km/h
Dew point
15°
UV
1.4
Next 24 Hours
Santa Catalina Island Hourly Weather — 48 hours ahead
| Time | Weather | Weather | Temperature | Feels like | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| Partly cloudy | 21° | 21° | 0% | 68% | 14 km/h | |
| Partly cloudy | 22° | 22° | 0% | 65% | 15 km/h | |
| Partly cloudy | 22° | 22° | 0% | 71% | 18 km/h | |
| Partly cloudy | 22° | 22° | 0% | 65% | 17 km/h | |
| Partly cloudy | 23° | 22° | 0% | 59% | 14 km/h | |
| Partly cloudy | 23° | 22° | 0% | 55% | 11 km/h | |
| Partly cloudy | 22° | 22° | 0% | 55% | 11 km/h | |
| Mostly clear | 21° | 20° | 0% | 58% | 15 km/h | |
| Mostly clear | 19° | 17° | 0% | 61% | 17 km/h | |
 | Mostly clear | 19° | 17° | 0% | 65% | 16 km/h | |
| Mostly clear | 19° | 17° | 0% | 62% | 13 km/h | |
| Mostly clear | 18° | 17° | 0% | 65% | 11 km/h | |
 | Clear sky | 18° | 17° | 0% | 66% | 9 km/h | |
| Clear sky | 18° | 17° | 0% | 65% | 7 km/h | |
| Mostly clear | 18° | 17° | 0% | 64% | 6 km/h | |
| Mostly clear | 17° | 17° | 0% | 64% | 4 km/h | |
 | Overcast | 17° | 18° | 0% | 70% | 1 km/h | |
| Overcast | 17° | 17° | 0% | 69% | 3 km/h | |
| Partly cloudy | 17° | 17° | 0% | 71% | 4 km/h | |
| Mostly clear | 17° | 17° | 0% | 72% | 3 km/h | |
| Mostly clear | 17° | 17° | 0% | 72% | 3 km/h | |
 | Clear sky | 17° | 17° | 0% | 72% | 5 km/h | |
| Clear sky | 17° | 17° | 0% | 74% | 5 km/h | |
| Clear sky | 20° | 22° | 0% | 79% | 2 km/h | |
| Clear sky | 22° | 24° | 0% | 77% | 4 km/h | |
| Clear sky | 22° | 24° | 0% | 74% | 7 km/h | |
| Clear sky | 23° | 25° | 0% | 71% | 8 km/h | |
| Clear sky | 23° | 25° | 0% | 70% | 6 km/h | |
| Partly cloudy | 23° | 26° | 0% | 68% | 6 km/h | |
 | Overcast | 24° | 26° | 0% | 63% | 2 km/h | |
| Mostly clear | 24° | 26° | 0% | 68% | 3 km/h | |
| Mostly clear | 24° | 25° | 0% | 61% | 3 km/h | |
| Overcast | 22° | 22° | 0% | 61% | 9 km/h | |
| Overcast | 21° | 20° | 0% | 59% | 11 km/h | |
| Clear sky | 20° | 19° | 0% | 66% | 13 km/h | |
| Clear sky | 20° | 19° | 0% | 65% | 12 km/h | |
| Clear sky | 20° | 19° | 0% | 52% | 10 km/h | |
| Clear sky | 20° | 18° | 0% | 40% | 6 km/h | |
| Clear sky | 20° | 18° | 0% | 39% | 9 km/h | |
| Clear sky | 20° | 18° | 0% | 39% | 5 km/h | |
| Clear sky | 20° | 18° | 0% | 43% | 3 km/h | |
| Clear sky | 20° | 19° | 0% | 46% | 3 km/h | |
| Clear sky | 21° | 20° | 0% | 53% | 5 km/h | |
| Clear sky | 22° | 22° | 0% | 55% | 3 km/h | |
| Clear sky | 22° | 23° | 0% | 60% | 3 km/h | |
| Clear sky | 22° | 23° | 0% | 61% | 4 km/h | |
| Clear sky | 22° | 23° | 0% | 62% | 6 km/h | |
| Clear sky | 22° | 23° | 0% | 61% | 8 km/h | |
Summary
Forecast point: Avalon town, 21 m (69 ft)
This forecast is for the named town only. Conditions elsewhere in Santa Catalina Island may differ.
Over the next 48 hours in Santa Catalina Island, temperatures range from 17–24°C. The chance of rain stays low (0% at most).
Updated at 09:04 local time, 4 November 2026
Santa Catalina Island Hourly Temperature and Chance of Rain
Santa Catalina Island Air Quality
Good · AQI 39Air quality is good and poses little or no risk for outdoor activity.
PM2.5 (µg/m³)4.2
PM10 (µg/m³)6.9
O₃ (µg/m³)85
NO₂ (µg/m³)4.8
SO₂ (µg/m³)0.9
CO (µg/m³)134
Weather Near Santa Catalina Island
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