Weather Forecast for Catalina Island

California, United States of America

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Partly cloudy

Current Weather - Catalina Island: 15°C

California, United States of America

Partly cloudy

Feels like 15°C

Wind

10 km/h ESE

Humidity

72%

Pressure

1017 mb

UV Index

4

Visibility

16 km

Sunny

Sunny

Friday, April 17, 2026

High

23°C

Low

10°C

Rain Chance

0%

Hourly Forecast

Sunny 16°C
19:00
Clear 15°C
20:00
Clear 14°C
21:00
Clear 16°C
22:00
Clear 17°C
23:00
Apr 18

Day Statistics

Maximum Wind

27 km/h

Humidity

71%

Precipitation

0 mm

UV Index

2

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:21 AM

Sunset

07:26 PM

Moonrise

06:11 AM

Moonset

08:09 PM

Moon Phase

New Moon

Moon Illumination

0%

Air Quality

PM2.5

12.4

μg/m³

PM10

18.9

μg/m³

NO₂

7.6

μg/m³

O₃

103

μg/m³

SO₂

4.2

μg/m³

CO

158.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

228.54

Diffuse Radiation

48.53

DNI

366.85

GTI

177.96

Weather Alerts

Wind Advisory issued April 16 at 9:49PM PDT until April 17 at 5:00PM PDT by NWS San Diego CA

San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Santa Ana Mountains and Foothills; Orange County Inland Apr 16, 09:49 PM - Apr 17, 06:15 AM
Severity: Moderate Urgency: Expected

* WHAT...North to northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, and Santa Ana Mountains and Foothills. * WHEN...From 5 AM to 5 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Event: Wind Advisory Certainty: Likely Category: Met

Wind Advisory issued April 17 at 2:07AM PDT until April 17 at 5:00PM PDT by NWS San Diego CA

San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Santa Ana Mountains and Foothills; Orange County Inland Apr 17, 02:07 AM - Apr 17, 03:30 PM
Severity: Moderate Urgency: Expected

* WHAT...North winds 20 to 30 mph with gusts to 50 mph expected. * WHERE...Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, and Santa Ana Mountains and Foothills. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Event: Wind Advisory Certainty: Likely Category: Met