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Weather in Santa Catalina Island, California for April 2026

Your guide to Santa Catalina Island weather in April - trends and predictions

    Official Weather Alert ⚠️

  • Wind Advisory - See hour by hour.

    • Temperatures

  • Until now, April 2026 in Santa Catalina Island has been nearly identical to the historical average, with a temperature of 16.8 °F (showing only a slight deviation of 0.5 °F).

  • The forecast for the next days in Santa Catalina Island predicts temperatures to be around 16 °F, close to the historical average.

  • In general, the average temperature in Santa Catalina Island at the beginning of April is 16.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.3 °F by the end of April.

    • Rain 🌧️

  • Santa Catalina Island experiences moderate rainfall in April, with an average of 6 rainy days and a total precipitation of 7.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/10°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
88 %
Avg humidity

Santa Catalina Island Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
14°
2
Sunny
15°
3
Patchy rain possible
16°
4
Cloudy
18°
5
Overcast
18°
6
Overcast
17°
7
Overcast
17°
8
Overcast
17°
9
Overcast
17°
10
Overcast
17°
11
Overcast
17°
12
Overcast
15°
13
Overcast
15°
14
Overcast
15°
15
Weather Alert Partly cloudy
20°
16
Overcast
16°
17
Sunny
19°
18
Sunny
19°
19
Sunny
16°
20
Sunny
15°
21
Patchy rain possible
14°
22
Partly cloudy
14°
23
Sunny
16°
24
Sunny
17°
25
Sunny
16°
26
Sunny
15°
27
Patchy rain possible
16°
28
Patchy rain possible
15°
29
Mist
14°
30
Fog
14°

Temperatures trend during April in Santa Catalina Island

See the weather trend as well as the moving average line

April weather in Santa Catalina Island day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
Apr. 1 Overcast
Overcast
 14° /10° 0 mm 4
Apr. 2 Sunny
Sunny
 15° /10° 0 mm 6
Apr. 3 Patchy rain possible
Patchy rain possible
 16° /11° 0.1 mm 6
Apr. 4 Cloudy
Cloudy
 18° /13° 0 mm 7
Apr. 5 Overcast
Overcast
 18° /10° 0 mm 3
Apr. 6 Overcast
Overcast
 17° /11° 0 mm 2
Apr. 7 Overcast
Overcast
 17° /11° 0 mm 2
Apr. 8 Overcast
Overcast
 17° /11° 0 mm 4
Apr. 9 Overcast
Overcast
 17° /12° 0 mm 2
Apr. 10 Overcast
Overcast
 17° /11° 0 mm 2
Apr. 11 Overcast
Overcast
 17° /11° 0 mm 2
Apr. 12 Overcast
Overcast
 15° /11° 6.9 mm 2
Apr. 13 Overcast
Overcast
 15° /10° 0 mm 4
Apr. 14 Overcast
Overcast
 15° /11° 0 mm 6
Apr. 15 Partly cloudy
Partly cloudy
 20° /10° 0 mm 1.9
Apr. 16 Overcast
Overcast
 16° /13° 0 mm 1.6
Apr. 17 Sunny
Sunny
 19° /12° 0 mm 1.9
Apr. 18 Sunny
Sunny
 19° /15° 0 mm 1.8
Apr. 19 Sunny
Sunny
 16° /15° 0 mm 0
Apr. 20 Sunny
Sunny
 15° /14° 0 mm 4
Apr. 21 Patchy rain possible
Patchy rain possible
 14° /14° 0.2 mm 3
Apr. 22 Partly cloudy
Partly cloudy
 14° /13° 0 mm 4
Apr. 23 Sunny
Sunny
 16° /14° 0 mm 4
Apr. 24 Sunny
Sunny
 17° /15° 0 mm 5
Apr. 25 Sunny
Sunny
 16° /15° 0 mm 5
Apr. 26 Sunny
Sunny
 15° /15° 0 mm 4
Apr. 27 Patchy rain possible
Patchy rain possible
 16° /15° 0.1 mm 4
Apr. 28 Patchy rain possible
Patchy rain possible
 15° /14° 0.3 mm 3
Apr. 29 Mist
Mist
 14° /10° 0 mm 2
Apr. 30 Fog
Fog
 14° /10° 0 mm 2
Next
Important Notice
Our weather forecast for Santa Catalina Island in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santa Catalina Island forecast closer to your planned date for the most up-to-date weather information.
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Santa Catalina Island in April - FAQ

What are the expected maximum and minimum temperatures in Santa Catalina Island during April?

During April, expect a variety of temperatures with highs around 14° and lows near 10°, suitable for diverse activities and preferences.

How much rainfall should be expected in Santa Catalina Island during April?

Rainfall in Santa Catalina Island during April is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 6 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Santa Catalina Island during April?

The average wind speed in Santa Catalina Island during April is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

April rainfall patterns in Santa Catalina Island

Explore the daily rainfall trends and prepare for Santa Catalina Islands April weather 💧
Typically, Santa Catalina Island has 6 rainy days in April with a total of 7.4 mm of rainfall.

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Location coordinates Where is Santa Catalina Island?

Get accurate weather forecasts for Santa Catalina Island, located at latitude 33.383 and longitude -118.418. Stay updated with localized weather information tailored for Santa Catalina Island.

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