Clarkston, Washington Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Clarkston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——92°61°—
- SundayJul 5Overcast——92°67°0°
- MondayJul 6Overcast——95°62°+3°
- TuesdayJul 7Light Drizzle12%—101°64°+6°
- WednesdayJul 8Overcast——89°63°-12°
- ThursdayJul 9Overcast——90°56°+1°
- FridayJul 10Clear——99°59°+9°
AQI 20 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 45 now. With UV 9.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 54 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 45 now. With UV 9.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 54 around 1 PM.
- Present
- AQI 45
- UV peak
- 9.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 54
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
- 10:54 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Clarkston at a glance
- Today vs. normal: 22°F above the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 99403
16-Day Forecast — Clarkston
- Sat92°61°0%
- Sun92°67°0%
- Mon95°62°1%
- Tue101°64°12%
- Wed89°63°6%
- Thu90°56°1%
- Fri99°59°0%
- Sat104°66°3%
- Sun108°70°2%
- Mon112°75°3%
- Tue112°79°10%
- Wed101°75°13%
- Thu110°66°12%
- Fri117°72°3%
- Sat120°77°6%
- Sun124°79°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 Clarkston
- 99403