Tracy, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Tracy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——89°61°—
- MondayJul 6Overcast——87°57°-2°
- TuesdayJul 7Clear——90°53°+3°
- WednesdayJul 8Clear——98°52°+8°
- ThursdayJul 9Clear——101°56°+3°
- FridayJul 10Partly Cloudy——104°58°+3°
- SaturdayJul 11Overcast——106°64°+2°
AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.8 µg/m³ (AQI 54) with a 0.69 fine-to-coarse ratio and 0 mph wind — combustion smoke trapped in calm air, not road dust.
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 31 now. With UV 8.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 31
- UV peak
- 8.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 10.8 µg/m³ (AQI 54) with a 0.69 fine-to-coarse ratio and 0 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:25 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Tracy at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 95304, 95376, 95377, 95391
16-Day Forecast — Tracy
- Sun89°61°0%
- Mon87°57°0%
- Tue90°53°0%
- Wed98°52°0%
- Thu101°56°0%
- Fri104°58°0%
- Sat106°64°0%
- Sun89°70°1%
- Mon104°68°3%
- Tue107°67°4%
- Wed108°66°1%
- Thu109°67°3%
- Fri111°72°3%
- Sat106°70°0%
- Sun102°69°0%
- Mon102°62°0%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Tracy
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 Tracy
- 95377
- 95376
- 95304