Copperopolis, California Weather
Bay laurel fragrance sweetens shade. Day 91 of spring. Read this microseason across nine climate regions →
Copperopolis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 18Clear——90°63°—
- FridayJun 19Clear——84°59°-6°
- SaturdayJun 20Clear——89°54°+5°
- SundayJun 21Clear——94°59°+5°
- MondayJun 22Clear——97°63°+3°
- TuesdayJun 23Clear——101°66°+4°
- WednesdayJun 24Clear——100°65°-1°
AQI 52 (Moderate), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.3 µg/m³ (AQI 41), ratio 0.70 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
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 7.3 µg/m³ (AQI 41), ratio 0.70 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.70
- Wind
- breezy
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 9:31 AM
- Moonset
- 11:16 PM
- In sign
- ♌︎ Leo
Bay laurel fragrance sweetens shade
Copperopolis at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Copperopolis
- Thu90°63°1%
- Fri84°59°1%
- Sat89°54°0%
- Sun94°59°0%
- Mon97°63°0%
- Tue101°66°0%
- Wed100°65°1%
- Thu103°66°0%
- Fri102°66°0%
- Sat100°64°1%
- Sun99°63°0%
- Mon98°61°0%
- Tue90°59°0%
- Wed95°54°0%
- Thu96°59°0%
- Fri100°62°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 18, 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.
SPC Convective Outlook
Storm Prediction Center — Copperopolis
SPC has placed Copperopolis in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Copperopolis
- 95228