West Covina, California Weather
Summer solstice light stretched thin. Day 88 of spring. Read this microseason across nine climate regions →
West Covina weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——91°63°—
- TuesdayJun 16Partly Cloudy——88°61°-3°
- WednesdayJun 17Mostly Clear——86°63°-2°
- ThursdayJun 18Clear——83°66°-3°
- FridayJun 19Mostly Clear——83°65°0°
- SaturdayJun 20Mostly Clear——79°63°-4°
- SundayJun 21Mostly Clear——79°62°0°
AQI 57 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 17.8 µg/m³, PM10 at 21.9 µg/m³ — typical background levels with no transport signature.
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 48 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 69 around 1 PM.
- Present
- AQI 48
- UV peak
- 10.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 69
PM × Wind × Precip
PM2.5 at 17.8 µg/m³, PM10 at 21.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- 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
- 5:53 AM
- Moonset
- 8:20 PM
- In sign
- ♋︎ Cancer
Summer solstice light stretched thin
West Covina at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — West Covina
- Mon90°63°0%
- Tue88°61°0%
- Wed86°63°0%
- Thu83°66°0%
- Fri83°65°0%
- Sat79°63°0%
- Sun79°62°0%
- Mon84°64°0%
- Tue90°67°0%
- Wed94°70°1%
- Thu96°74°0%
- Fri98°75°0%
- Sat93°74°0%
- Sun91°72°3%
- Mon93°70°3%
- Tue95°72°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near West Covina
Right now in the garden
Peak growing season
As of June 15, 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 West Covina
- 91792
- 91791
- 91790
- 91793