Boonville, California Weather
Coastal fog thickens at dawn. Day 78 of spring. Read this microseason across nine climate regions →
Boonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Partly Cloudy——78°52°—
- FridayJun 5Mostly Clear——78°48°0°
- SaturdayJun 6Overcast——69°47°-9°
- SundayJun 7Overcast——70°41°+1°
- MondayJun 8Light Rain36%0.26″56°47°-14°
- TuesdayJun 9Light Drizzle35%—67°50°+11°
- WednesdayJun 10Mostly Clear——80°49°+13°
Ozone at AQI 38 — peak already passed at 1 PM under clear skies. AQI up 16 in the last 6 hours — air quality is degrading. Levels should ease through evening.
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 38 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 38
- UV peak
- 2.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 7.8 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).
The higher the clouds, the finer the weather.
- Moonrise
- 7:14 AM
- Moonset
- 5:29 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Boonville at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 10 (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 5, 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.