West Richland, Washington Weather
Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →
West Richland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast20%—79°56°—
- ThursdayJun 4Overcast——78°58°-1°
- FridayJun 5Overcast——79°51°+1°
- SaturdayJun 6Overcast——72°53°-7°
- SundayJun 7Overcast——75°47°+3°
- MondayJun 8Overcast10%—67°54°-8°
- TuesdayJun 9Overcast11%—75°49°+8°
Ozone at AQI 58. AQI up 10 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 58. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 58
- UV peak
- 5.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.71 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 6:20 AM
- Moonset
- 2:35 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
West Richland at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 3, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.