Grizzly Flats, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Grizzly Flats weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——79°62°—
- FridayJun 5Overcast——80°61°+1°
- SaturdayJun 6Overcast——74°51°-6°
- SundayJun 7Overcast——74°48°0°
- MondayJun 8Light Rain14%0.20″67°49°-7°
- TuesdayJun 9Heavy Drizzle19%0.27″53°48°-14°
- WednesdayJun 10Mostly Clear——65°43°+12°
PM2.5 at 7.0 µg/m³, PM10 at 9.2 µg/m³ — typical background levels with no transport signature. AQI down 41 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 7.0 µg/m³, PM10 at 9.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- light
- 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
- 6:30 AM
- Moonset
- 4:13 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Grizzly Flats at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 8 (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.