Walnut Park, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Walnut Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——82°65°—
- MondayJul 6Mostly Clear——83°62°+1°
- TuesdayJul 7Clear——84°64°+1°
- WednesdayJul 8Clear——86°70°+2°
- ThursdayJul 9Clear——89°71°+3°
- FridayJul 10Clear——83°69°-6°
- SaturdayJul 11Overcast——85°69°+2°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.80 fine-to-coarse ratio and 4 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
PM × Wind × Precip
PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.80 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:09 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Walnut Park at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Walnut Park
- Sun82°65°1%
- Mon83°62°1%
- Tue84°64°0%
- Wed86°70°0%
- Thu89°71°0%
- Fri83°69°0%
- Sat85°69°0%
- Sun86°71°2%
- Mon86°72°6%
- Tue87°72°8%
- Wed89°76°2%
- Thu92°76°10%
- Fri98°80°10%
- Sat102°79°10%
- Sun88°77°19%
- Mon92°76°19%
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 Walnut Park
- 90255