Grizzly Flats, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Grizzly Flats weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——76°63°—
- MondayJul 6Overcast——79°63°+3°
- TuesdayJul 7Overcast——83°59°+4°
- WednesdayJul 8Clear——86°59°+3°
- ThursdayJul 9Clear——89°61°+3°
- FridayJul 10Overcast——93°64°+4°
- SaturdayJul 11Overcast——95°67°+2°
AQI 41 (Good), driven by Ozone. Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 76
- UV peak
- 9.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41), ratio 0.57 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.57
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:21 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Grizzly Flats at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95636
16-Day Forecast — Grizzly Flats
- Sun76°63°7%
- Mon79°63°1%
- Tue83°59°0%
- Wed86°59°0%
- Thu89°61°0%
- Fri93°64°0%
- Sat95°67°0%
- Sun87°62°1%
- Mon89°60°4%
- Tue95°66°5%
- Wed95°69°3%
- Thu96°69°3%
- Fri98°71°13%
- Sat95°70°13%
- Sun92°66°13%
- Mon91°65°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
ZIP codes in Grizzly Flats
- 95636