Ellensburg, Washington Weather
Rufous Hummingbirds Arrive. Day 76 of spring. Read this microseason across nine climate regions →
Ellensburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Drizzle36%0.02″73°54°—
- ThursdayJun 4Overcast——66°50°-7°
- FridayJun 5Overcast——66°45°0°
- SaturdayJun 6Overcast19%—61°41°-5°
- SundayJun 7Overcast——65°42°+4°
- MondayJun 8Overcast29%—59°46°-6°
- TuesdayJun 9Overcast20%—63°42°+4°
Ozone at AQI 49 — peak already passed at 1 PM under overcast skies. AQI up 14 over the last 6 hours (gradual rise). Levels should ease through evening.
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 49 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 3.1 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5/PM10 ratio 0.67 with 15 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.67
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 6:28 AM
- Moonset
- 2:36 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Ellensburg at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 28 (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
Peak growing season
As of June 3, 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.