Graniteville, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Graniteville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle——76°59°—
- MondayJul 6Overcast——76°60°0°
- TuesdayJul 7Overcast——81°56°+5°
- WednesdayJul 8Clear——84°56°+3°
- ThursdayJul 9Clear——85°57°+1°
- FridayJul 10Overcast——87°60°+2°
- SaturdayJul 11Overcast——90°62°+3°
AQI 28 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 47 now. With UV 8.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 36 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 47 now. With UV 8.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 36 around 1 PM.
- Present
- AQI 47
- UV peak
- 8.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 36
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42), ratio 0.55 with 5 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.55
- 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
- 11:23 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Graniteville at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Graniteville
- Sun76°59°3%
- Mon76°60°1%
- Tue81°56°0%
- Wed84°56°0%
- Thu85°57°0%
- Fri87°60°0%
- Sat90°62°0%
- Sun89°63°1%
- Mon94°69°2%
- Tue94°72°4%
- Wed88°57°2%
- Thu82°57°5%
- Fri89°60°13%
- Sat94°66°12%
- Sun94°70°13%
- Mon89°65°14%
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 Graniteville
- 95959