Harbison Canyon, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Harbison Canyon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——87°62°—
- MondayJul 6Foggy——87°59°0°
- TuesdayJul 7Foggy——91°59°+4°
- WednesdayJul 8Clear——95°62°+4°
- ThursdayJul 9Clear——94°66°-1°
- FridayJul 10Overcast——93°65°-1°
- SaturdayJul 11Overcast——88°65°-5°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.0 µg/m³ (AQI 53), ratio 0.70 with 8 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 37 now. With UV 9.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
- Present
- AQI 37
- UV peak
- 9.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 10.0 µg/m³ (AQI 53), ratio 0.70 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.70
- 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
- 11:02 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Harbison Canyon at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Harbison Canyon
- Sun87°62°0%
- Mon87°59°0%
- Tue91°59°0%
- Wed95°62°0%
- Thu94°66°1%
- Fri93°65°0%
- Sat88°65°1%
- Sun91°64°4%
- Mon95°65°17%
- Tue103°73°20%
- Wed95°74°9%
- Thu103°75°13%
- Fri103°74°19%
- Sat100°73°15%
- Sun99°73°14%
- Mon102°71°13%
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 Harbison Canyon
- 92021
- 92019
- 91901