Rancho Mission Viejo, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Rancho Mission Viejo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——83°63°—
- MondayJul 6Foggy——83°62°0°
- TuesdayJul 7Foggy——89°61°+6°
- WednesdayJul 8Clear——93°64°+4°
- ThursdayJul 9Clear——91°65°-2°
- FridayJul 10Mostly Clear——89°61°-2°
- SaturdayJul 11Overcast——86°60°-3°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.4 µg/m³ (AQI 52) with a 0.70 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.4 µg/m³ (AQI 52) with a 0.70 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:06 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Rancho Mission Viejo at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Rancho Mission Viejo
- Sun82°63°1%
- Mon83°62°1%
- Tue89°61°0%
- Wed93°64°0%
- Thu91°65°0%
- Fri89°61°1%
- Sat86°60°1%
- Sun89°64°1%
- Mon90°67°7%
- Tue87°66°10%
- Wed97°73°8%
- Thu96°76°13%
- Fri107°81°13%
- Sat110°81°10%
- Sun94°77°19%
- Mon94°73°12%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Rancho Mission Viejo
- 92694