Catheys Valley, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Catheys Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast23%—90°65°—
- MondayJul 6Overcast——91°65°+1°
- TuesdayJul 7Clear——96°63°+5°
- WednesdayJul 8Clear——98°64°+2°
- ThursdayJul 9Clear——102°67°+4°
- FridayJul 10Overcast——105°70°+3°
- SaturdayJul 11Overcast——108°73°+3°
AQI 24 (Good), driven by Ozone. Ozone at AQI 44 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
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 44 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
- Present
- AQI 44
- UV peak
- 8.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38), 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
- 11:19 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Catheys Valley at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95306
16-Day Forecast — Catheys Valley
- Sun90°65°23%
- Mon91°65°0%
- Tue96°63°0%
- Wed98°64°0%
- Thu102°67°0%
- Fri105°70°0%
- Sat108°73°0%
- Sun90°72°2%
- Mon100°68°5%
- Tue105°74°8%
- Wed107°76°1%
- Thu109°78°3%
- Fri111°77°10%
- Sat108°77°10%
- Sun106°78°13%
- Mon105°72°12%
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 Catheys Valley
- 95306