Trona, California Weather
Coastal fog thickens at dawn. Day 76 of spring. Read this microseason across nine climate regions →
Trona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——103°69°—
- ThursdayJun 4Clear——104°70°+1°
- FridayJun 5Clear——103°72°-1°
- SaturdayJun 6Overcast——99°72°-4°
- SundayJun 7Clear——96°67°-3°
- MondayJun 8Partly Cloudy——97°66°+1°
- TuesdayJun 9Overcast——98°70°+1°
Ozone at AQI 103 now. AQI up 6 over the last 6 hours (gradual rise). With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 151 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 103 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 151 by mid-afternoon.
- Present
- AQI 103
- UV peak
- 11.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 151
PM × Wind × Precip
PM2.5/PM10 ratio 0.41 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.41
- 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
- 5:29 AM
- Moonset
- 3:07 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Trona at a glance
- Today vs. normal: 21°F above the seasonal normal for this latitude
- Last frost: March 22 (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 3, 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.