Harmony Grove, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Harmony Grove weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——82°62°—
- MondayJul 6Foggy——80°61°-2°
- TuesdayJul 7Foggy——79°58°-1°
- WednesdayJul 8Clear——83°58°+4°
- ThursdayJul 9Clear——83°60°0°
- FridayJul 10Overcast——84°59°+1°
- SaturdayJul 11Overcast——79°63°-5°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³ (AQI 57), ratio 0.69 with 7 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
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 12 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 69 around 1 PM.
- Present
- AQI 43
- UV peak
- 12.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 69
PM × Wind × Precip
PM2.5 at 12.3 µg/m³ (AQI 57), ratio 0.69 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- 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
- 11:04 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Harmony Grove at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: March 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Harmony Grove
- Sun82°62°0%
- Mon80°61°1%
- Tue79°58°0%
- Wed83°58°0%
- Thu83°60°0%
- Fri84°59°0%
- Sat79°63°1%
- Sun87°61°4%
- Mon85°61°11%
- Tue87°67°12%
- Wed89°68°5%
- Thu93°71°24%
- Fri91°70°18%
- Sat86°68°14%
- Sun88°67°10%
- Mon90°64°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 Harmony Grove
- 92078
- 92029