Arcadia, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Arcadia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——90°64°—
- MondayJul 6Foggy——90°60°0°
- TuesdayJul 7Foggy——93°62°+3°
- WednesdayJul 8Clear——97°78°+4°
- ThursdayJul 9Clear——98°81°+1°
- FridayJul 10Overcast——94°79°-4°
- SaturdayJul 11Overcast——90°76°-4°
AQI 61 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.4 µg/m³ (AQI 68) with a 0.82 fine-to-coarse ratio and 5 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 32 now. With UV 12 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 50 around 1 PM.
- Present
- AQI 32
- UV peak
- 11.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 18.4 µg/m³ (AQI 68) with a 0.82 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- light
- 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
- 11:08 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Arcadia at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 91006, 91007
16-Day Forecast — Arcadia
- Sun90°64°1%
- Mon90°60°0%
- Tue93°62°0%
- Wed97°78°0%
- Thu98°81°0%
- Fri94°79°0%
- Sat90°76°0%
- Sun89°74°1%
- Mon100°79°6%
- Tue103°86°9%
- Wed100°85°3%
- Thu104°86°10%
- Fri105°89°11%
- Sat102°85°3%
- Sun103°87°10%
- Mon103°85°11%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Arcadia
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 Arcadia
- 91006
- 91007
- 91066
- 91077