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Catalina, CA Weather Forecast

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Catalina, CA Weather Forecast

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Catalina CA weather - Overcast - 73°F
Overcast
73°F
Updated 8:01 am
Feels Like 74°F
Humidity 75%
Wind S 3 mph
Barometer  29.89 in
Dew Point 65°F
Catalina CA weather - Overcast - 23°C
Overcast
23°C
Updated 8:01 am
Feels Like 23°C
Humidity 75%
Wind S 5 km/h
Barometer  101.2 kPa
Dew Point 18°C
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Catalina Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Catalina, CA Weather - Today Partly Cloudy Catalina, CA Weather - Tonight Partly Cloudy Catalina, CA Weather - Monday Patchy Fog Catalina, CA Weather - Monday Night Partly Cloudy Catalina, CA Weather - Tuesday Partly Cloudy Catalina, CA Weather - Tuesday Night Partly Cloudy Catalina, CA Weather - Wednesday Partly Cloudy Catalina, CA Weather - Wednesday Night Mostly Clear Catalina, CA Weather - Thursday Mostly Sunny Catalina, CA Weather - Thursday Night Clear Catalina, CA Weather - Friday Mostly Sunny Catalina, CA Weather - Friday Night Clear
Partly Cloudy Partly Cloudy Patchy Fog Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Sunny Clear Mostly Sunny Clear
Hi: 85°FHi: 29°C
 Lo: 64°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 62°FLo: 17°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 84°FHi: 29°C
 Lo: 60°FLo: 16°C Hi: 84°FHi: 29°C
 Lo: 62°FLo: 17°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1221 AM PDT Sun Sep 13 2026 Catalina, CA Weather - WeatherWorld.com

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Catalina Forecast Discussion

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Issued: 440 AM PDT Sun Sep 13 2026

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...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

...UPDATED AVIATION DISCUSSION...

The 00z San Diego sounding shows a well mixed marine layer in the lowest 2,000 feet of the atmosphere with a strong inversion above it. Nighttime satellite imagery also shows this as tonight`s clouds are filled in over a very broad extent, from over the coastal waters up to 20 miles inland throughout SD County and Orange Co...