Weather Forecast for Catalina Island

California, United States of America

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Partly Cloudy

Current Weather - Catalina Island: 17°C

California, United States of America

Partly Cloudy

Feels like 17°C

Wind

12 km/h W

Humidity

72%

Pressure

1019 mb

UV Index

10

Visibility

16 km

Partly Cloudy

Partly Cloudy

Tuesday, June 23, 2026

High

21°C

Low

13°C

Rain Chance

20%

Hourly Forecast

Patchy rain nearby 16°C
21:00
Partly Cloudy 16°C
22:00
Partly Cloudy 16°C
23:00
Jun 24

Day Statistics

Maximum Wind

19 km/h

Humidity

89%

Precipitation

0 mm

UV Index

11

Visibility

10 km

Rain Chance

20%

Snow Chance

0%

Sun & Moon

Sunrise

05:45 AM

Sunset

08:07 PM

Moonrise

02:54 PM

Moonset

01:21 AM

Moon Phase

Waxing Gibbous

Moon Illumination

69%

Air Quality

PM2.5

8.6

μg/m³

PM10

13

μg/m³

NO₂

6

μg/m³

O₃

71.8

μg/m³

SO₂

1

μg/m³

CO

92.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

951.22

Diffuse Radiation

95.71

DNI

0

GTI

0

Weather Alerts

Heat Advisory issued June 22 at 8:16PM PDT until June 25 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

Santa Clarita Valley; Western San Fernando Valley; Eastern San Fernando Valley; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley Jun 22, 08:16 PM - Jun 23, 08:30 AM
Severity: Moderate Urgency: Expected

* WHAT...Dangerously hot conditions with temperatures in the middle to upper 90s possible. Hottest Wednesday. * WHERE...Eastern San Fernando Valley, Eastern San Gabriel Mountains, Los Angeles County San Gabriel Valley, Santa Clarita Valley, Western San Fernando Valley, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 8 AM Tuesday to 9 PM PDT Thursday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Higher humidity will have the potential to add to the heat discomfort in the afternoons. Temperatures are expected to cool slightly after Thursday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Heat Advisory Certainty: Likely Category: Met

Heat Advisory issued June 23 at 12:05AM PDT until June 25 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

Los Angeles County Inland Coast including Downtown Los Angeles Jun 23, 12:05 AM - Jun 23, 05:00 PM
Severity: Moderate Urgency: Expected

* WHAT...Unseasonably hot conditions with temperatures in the mid to upper 80s possible in Downtown Los Angeles and the low 80s in Inglewood. Hottest Wednesday. * WHERE...Los Angeles County Inland Coast including Downtown Los Angeles. * WHEN...From 8 AM this morning to 9 PM PDT Thursday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Higher humidity will have the potential to add to the heat discomfort in the afternoons. Temperatures are expected to cool slightly after Thursday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Heat Advisory Certainty: Likely Category: Met