Cotati, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Cotati weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——80°47°—
- FridayJun 5Overcast——87°53°+7°
- SaturdayJun 6Overcast——82°45°-5°
- SundayJun 7Overcast——76°44°-6°
- MondayJun 8Rain18%0.61″57°48°-19°
- TuesdayJun 9Light Drizzle21%0.01″74°51°+17°
- WednesdayJun 10Clear——79°49°+5°
Ozone at AQI 37 now. AQI flat over the last 6 hours (within ±3 points). With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 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 37 now. With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 by mid-afternoon.
- Present
- AQI 37
- UV peak
- 9.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
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
- 6:38 AM
- Moonset
- 4:23 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Cotati at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 6 (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.