Downieville, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Downieville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°65°—
- MondayJul 6Overcast——85°65°0°
- TuesdayJul 7Overcast——88°62°+3°
- WednesdayJul 8Clear——91°61°+3°
- ThursdayJul 9Clear——92°63°+1°
- FridayJul 10Overcast——94°65°+2°
- SaturdayJul 11Overcast——98°67°+4°
AQI 28 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~68%) — 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 47. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 8.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42), ratio 0.55 with 5 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.55
- 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
- 11:23 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Downieville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95936
16-Day Forecast — Downieville
- Sun85°65°3%
- Mon85°65°1%
- Tue88°62°0%
- Wed91°61°0%
- Thu92°63°0%
- Fri94°65°0%
- Sat98°67°0%
- Sun97°69°1%
- Mon102°74°2%
- Tue102°76°4%
- Wed96°65°3%
- Thu90°65°5%
- Fri97°67°3%
- Sat102°72°13%
- Sun102°75°12%
- Mon97°70°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 Downieville
- 95936