Murrieta, California Weather
Coastal fog thickens at dawn. Day 78 of spring. Read this microseason across nine climate regions →
Murrieta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——85°54°—
- FridayJun 5Mostly Clear——85°53°0°
- SaturdayJun 6Foggy——77°56°-8°
- SundayJun 7Overcast——80°51°+3°
- MondayJun 8Overcast——80°49°0°
- TuesdayJun 9Overcast——78°52°-2°
- WednesdayJun 10Overcast——86°50°+8°
AQI 109 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 50 in the last 6 hours — air quality is degrading. Ozone at AQI 81 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 81 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
- Present
- AQI 81
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5/PM10 ratio 0.66 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.66
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).










































The higher the clouds, the finer the weather.
- Moonrise
- 6:37 AM
- Moonset
- 5:14 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Murrieta at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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.