Glendora, California Weather
Coastal fog thickens at dawn. Day 78 of spring. Read this microseason across nine climate regions →
Glendora weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——86°57°—
- FridayJun 5Foggy——85°59°-1°
- SaturdayJun 6Foggy——81°57°-4°
- SundayJun 7Clear——79°62°-2°
- MondayJun 8Overcast——79°62°0°
- TuesdayJun 9Partly Cloudy——77°63°-2°
- WednesdayJun 10Partly Cloudy——83°63°+6°
Ozone at AQI 85 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±3 points). Levels should ease through evening.
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 85 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 85
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 85
PM × Wind × Precip
PM2.5 at 23.7 µg/m³, PM10 at 32.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.72
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 6:40 AM
- Moonset
- 5:16 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Glendora at a glance
- Today vs. normal: 83°F — typical for the season
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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.