Atascadero, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Atascadero weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Mostly Clear——86°52°—
- FridayJun 5Clear——81°55°-5°
- SaturdayJun 6Overcast——74°50°-7°
- SundayJun 7Overcast——76°47°+2°
- MondayJun 8Overcast——80°51°+4°
- TuesdayJun 9Overcast——70°53°-10°
- WednesdayJun 10Clear——80°46°+10°
Ozone at AQI 30 now. AQI down 6 over the last 6 hours (steady decline since this morning). With UV 8.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 8.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 by mid-afternoon.
- Present
- AQI 30
- UV peak
- 8.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 34
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:21 AM
- Moonset
- 4:23 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Atascadero at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: March 20 (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 4, 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.