Palermo, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Palermo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——92°67°—
- MondayJul 6Clear——94°63°+2°
- TuesdayJul 7Overcast——98°54°+4°
- WednesdayJul 8Clear——102°55°+4°
- ThursdayJul 9Clear——104°62°+2°
- FridayJul 10Overcast——106°60°+2°
- SaturdayJul 11Overcast——109°65°+3°
AQI 27 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 7.9 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.
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 39 now. With UV 6.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 35 around 1 PM.
- Present
- AQI 39
- UV peak
- 6.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 35
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.71
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:26 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Palermo at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95968
16-Day Forecast — Palermo
- Sun92°67°0%
- Mon94°63°1%
- Tue98°54°0%
- Wed102°55°0%
- Thu104°62°0%
- Fri106°60°0%
- Sat109°65°1%
- Sun110°66°0%
- Mon114°77°2%
- Tue116°77°3%
- Wed105°74°1%
- Thu100°73°6%
- Fri109°73°6%
- Sat116°75°6%
- Sun118°77°6%
- Mon109°68°3%
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 Palermo
- 95968
- 95965
- 95966