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Mission Viejo, CA Weather Forecast

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Mission Viejo, CA Weather Forecast

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Mission Viejo CA weather - Clear - 78°F
Clear
78°F
Updated 3:16 pm
Feels Like 68°F
Humidity 46%
Wind SW 10 mph
Barometer  30 in
Dew Point 56°F
Mission Viejo CA weather - Clear - 26°C
Clear
26°C
Updated 3:16 pm
Feels Like 20°C
Humidity 46%
Wind SW 16 km/h
Barometer  101.6 kPa
Dew Point 13°C
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Mission Viejo Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Mission Viejo, CA Weather - Tonight Mostly Clear Mission Viejo, CA Weather - Tuesday Partly Cloudy Mission Viejo, CA Weather - Tuesday Night Patchy Fog Mission Viejo, CA Weather - Wednesday Patchy Fog Mission Viejo, CA Weather - Wednesday Night Partly Cloudy Mission Viejo, CA Weather - Thursday Mostly Cloudy Mission Viejo, CA Weather - Thursday Night Chance Of Showers Mission Viejo, CA Weather - Friday Chance Of Showers Mission Viejo, CA Weather - Friday Night Chance Of Showers Mission Viejo, CA Weather - Saturday Chance Of Showers Mission Viejo, CA Weather - Saturday Night Showers Likely Mission Viejo, CA Weather - Sunday Chance Of Showers
Mostly Clear Partly Cloudy Patchy Fog Patchy Fog Partly Cloudy Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers Showers Likely Chance of Showers
Lo: 56°FLo: 13°C Hi: 77°FHi: 25°C
 Lo: 56°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 57°FLo: 14°C Hi: 73°FHi: 23°C
 Lo: 58°FLo: 14°C Hi: 70°FHi: 21°C
 Lo: 57°FLo: 14°C Hi: 68°FHi: 20°C
 Lo: 56°FLo: 13°C Hi: 68°FHi: 20°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1224 PM PDT Mon Oct 26 2026 Mission Viejo, CA Weather - WeatherWorld.com

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Mission Viejo Forecast Discussion

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Issued: 119 PM PDT Mon Oct 26 2026

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

At noon, temperatures were running within a few degrees of what the temperatures were at noon yesterday. Cooling is expected to start to spread inland as onshore flow gradually increases over the next few days. Widespread below average temperatures are expected through much of this week with highs on Saturday and Sunday running 10 to 20 degrees below avera...