Mission Viejo, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mission Viejo, a city in Orange County, California.

Today

74°F

Patchy Drizzle then Sunny

Patchy drizzle before 10am. Sunny, with a high near 74. South wind 0 to 5 mph.

7-day forecast for Mission Viejo

When	Temp	Forecast	Wind	Precip
Today	74°F	Patchy Drizzle then Sunny	0 to 5 mph S	6%
Tonight	57°F	Partly Cloudy	0 to 5 mph E	0%
Thursday	79°F	Mostly Sunny	0 to 5 mph W	0%
Thursday Night	58°F	Partly Cloudy	0 to 5 mph NE	0%
Friday	84°F	Sunny	0 to 5 mph N	0%
Friday Night	61°F	Clear	10 mph N	0%
Saturday	86°F	Sunny	0 to 10 mph N	0%
Saturday Night	62°F	Mostly Clear	5 to 10 mph NE	0%
Sunday	85°F	Sunny	5 mph N	0%
Sunday Night	64°F	Mostly Clear	5 to 10 mph NE	0%
Monday	82°F	Sunny	0 to 5 mph E	0%
Monday Night	63°F	Partly Cloudy	0 to 5 mph NE	1%
Tuesday	80°F	Mostly Sunny	0 to 5 mph SW	1%
Tuesday Night	61°F	Mostly Clear	0 to 5 mph NE	5%

Forecast source: National Weather Service (api.weather.gov) for Mission Viejo (33.609, -117.656). Updated through the day.

Growing snapshot for Mission Viejo

Last spring frost

Jan 5

First fall frost

Dec 25

Growing season

365 days

Hardiness zone

10b

More local growing data for Mission Viejo: nearby ZIP 92691 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Aliso Viejo Anaheim Brea Buena Park Costa Mesa Coto de Caza Cypress Dana Point Fountain Valley Fullerton Garden Grove Huntington Beach Irvine La Habra La Habra Heights La Palma Ladera Ranch Laguna Beach Laguna Hills Laguna Niguel Laguna Woods Lake Forest Las Flores Los Alamitos Midway City Modjeska Newport Beach North Tustin Orange Placentia

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Climate data from the nearest NOAA station, Tustin Irvine Rch, Ca (8 mi from Mission Viejo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.