La Grange, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
La Grange weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast14%—94°67°—
- MondayJul 6Overcast——93°63°-1°
- TuesdayJul 7Overcast——99°59°+6°
- WednesdayJul 8Clear——102°59°+3°
- ThursdayJul 9Clear——104°64°+2°
- FridayJul 10Clear——108°66°+4°
- SaturdayJul 11Overcast——110°68°+2°
AQI 26 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.72 fine-to-coarse ratio and 3 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. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 7.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.72 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 11:20 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
La Grange at a glance
- Today vs. normal: 8°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 code: 95329
16-Day Forecast — La Grange
- Sun94°67°14%
- Mon93°63°1%
- Tue99°59°0%
- Wed102°59°0%
- Thu104°64°0%
- Fri108°66°0%
- Sat110°68°0%
- Sun109°71°2%
- Mon115°77°4%
- Tue115°79°8%
- Wed95°74°2%
- Thu105°71°3%
- Fri111°75°3%
- Sat119°79°10%
- Sun119°82°6%
- Mon112°77°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 La Grange
- 95329