Old Station, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Old Station weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——79°50°—
- FridayJun 5Overcast——79°54°0°
- SaturdayJun 6Overcast——72°46°-7°
- SundayJun 7Overcast——71°40°-1°
- MondayJun 8Heavy Drizzle35%0.14″50°46°-21°
- TuesdayJun 9Light Snow Shwrs36%0.41″54°39°+4°
- WednesdayJun 10Overcast19%—62°35°+8°
Ozone at AQI 34 now. AQI down 8 over the last 6 hours (steady decline since this morning). With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 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 34 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 36 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 7.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.69 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- light
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:40 AM
- Moonset
- 4:11 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Old Station at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 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.