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Rossmoor, CA Weather Forecast

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Rossmoor, CA Weather Forecast

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Rossmoor CA weather - Mostly Cloudy - 73°F
Mostly Cloudy
73°F
Updated 9:16 am
Feels Like 70°F
Humidity 65%
Wind ENE 7 mph
Barometer  29.88 in
Dew Point 61°F
Rossmoor CA weather - Mostly Cloudy - 23°C
Mostly Cloudy
23°C
Updated 9:16 am
Feels Like 21°C
Humidity 65%
Wind ENE 11 km/h
Barometer  101.2 kPa
Dew Point 16°C
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Rossmoor Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Rossmoor, CA Weather - Today Partly Cloudy Rossmoor, CA Weather - Tonight Partly Cloudy Rossmoor, CA Weather - Wednesday Partly Cloudy Rossmoor, CA Weather - Wednesday Night Patchy Fog Rossmoor, CA Weather - Thursday Patchy Fog Rossmoor, CA Weather - Thursday Night Mostly Clear Rossmoor, CA Weather - Friday Partly Cloudy Rossmoor, CA Weather - Friday Night Clear Rossmoor, CA Weather - Saturday Mostly Sunny Rossmoor, CA Weather - Saturday Night Mostly Clear Rossmoor, CA Weather - Sunday Partly Cloudy Rossmoor, CA Weather - Sunday Night Partly Cloudy
Partly Cloudy Partly Cloudy Partly Cloudy Patchy Fog Patchy Fog Mostly Clear Partly Cloudy Clear Mostly Sunny Mostly Clear Partly Cloudy Partly Cloudy
Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 80°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 82°FHi: 28°C
 Lo: 62°FLo: 17°C Hi: 83°FHi: 28°C
 Lo: 62°FLo: 17°C Hi: 80°FHi: 27°C
 Lo: 61°FLo: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1212 AM PDT Tue Sep 15 2026 Rossmoor, CA Weather - WeatherWorld.com

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Rossmoor Forecast Discussion

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Issued: 428 AM PDT Tue Sep 15 2026

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

...UPDATED AVIATION DISCUSSION...

.SHORT TERM (Today through Thursday)... A low pressure system moving southward along the West Coast into California will continue the cooling trend through Wednesday with Wednesday high temperatures a few degrees below average near the coast and in the lower deserts to 5 to 10 degrees below average for the Inland Empire. Hi...