Pomona, California Weather
Summer solstice light stretched thin. Day 88 of spring. Read this microseason across nine climate regions →
Pomona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Clear——90°61°—
- TuesdayJun 16Mostly Clear——88°59°-2°
- WednesdayJun 17Clear——87°68°-1°
- ThursdayJun 18Clear——84°66°-3°
- FridayJun 19Clear——83°65°-1°
- SaturdayJun 20Clear——79°62°-4°
- SundayJun 21Partly Cloudy——79°61°0°
AQI 62 (Moderate), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 15.4 µg/m³ (AQI 63) with a 0.89 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 15.4 µg/m³ (AQI 63) with a 0.89 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:52 AM
- Moonset
- 8:19 PM
- In sign
- ♋︎ Cancer
Summer solstice light stretched thin
Pomona at a glance
- Today vs. normal: 17°F below 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 — Pomona
- Mon90°61°0%
- Tue88°59°0%
- Wed87°68°0%
- Thu84°66°0%
- Fri83°65°0%
- Sat79°62°0%
- Sun79°61°0%
- Mon83°62°0%
- Tue88°65°0%
- Wed86°67°0%
- Thu83°66°0%
- Fri80°62°0%
- Sat80°62°0%
- Sun85°64°0%
- Mon90°66°3%
- Tue94°68°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Pomona
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 Pomona
- 91768
- 91766
- 91767
- 91769