American Canyon, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
American Canyon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Foggy——80°52°—
- ThursdayJun 4Clear——85°55°+5°
- FridayJun 5Overcast——85°55°0°
- SaturdayJun 6Overcast——77°56°-8°
- SundayJun 7Overcast——76°54°-1°
- MondayJun 8Light Drizzle13%0.07″68°56°-8°
- TuesdayJun 9Light Drizzle—0.01″71°57°+3°
PM2.5 at 4.5 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature. AQI down 7 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 AM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.71
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:36 AM
- Moonset
- 4:22 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
American Canyon at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 5 (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.