Willow Creek, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Willow Creek weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——88°63°—
- MondayJul 6Overcast——86°63°-2°
- TuesdayJul 7Clear——87°52°+1°
- WednesdayJul 8Clear——87°51°0°
- ThursdayJul 9Foggy——88°51°+1°
- FridayJul 10Overcast——89°51°+1°
- SaturdayJul 11Overcast——93°55°+4°
AQI 21 (Good), driven by Ozone. Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~70%) — 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 38. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 5.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.75 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:36 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Willow Creek at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95573
16-Day Forecast — Willow Creek
- Sun88°63°1%
- Mon86°63°1%
- Tue87°52°0%
- Wed87°51°0%
- Thu88°51°0%
- Fri89°51°0%
- Sat93°55°1%
- Sun92°63°1%
- Mon89°57°3%
- Tue89°53°1%
- Wed90°53°1%
- Thu94°54°0%
- Fri95°55°0%
- Sat95°56°0%
- Sun88°53°6%
- Mon89°51°5%
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 Willow Creek
- 95573