Union Gap, Washington Weather
Rufous Hummingbirds Arrive. Day 77 of spring. Read this microseason across nine climate regions →
Union Gap weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast17%—87°56°—
- ThursdayJun 4Mostly Clear——78°52°-9°
- FridayJun 5Overcast——76°48°-2°
- SaturdayJun 6Overcast14%—68°52°-8°
- SundayJun 7Overcast——74°49°+6°
- MondayJun 8Light Drizzle—0.01″66°57°-8°
- TuesdayJun 9Light Drizzle15%0.02″71°51°+5°
Ozone at AQI 45 — peak already passed at 1 PM under overcast skies. AQI up 24 in the last 6 hours — air quality is degrading. 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 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 1.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 6.2 µg/m³, PM10 at 8.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:57 AM
- Moonset
- 3:47 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Union Gap at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 25 (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 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.