Dayton, Oregon Weather
Rufous Hummingbirds Arrive. Day 76 of spring. Read this microseason across nine climate regions →
Dayton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Drizzle23%0.05″70°53°—
- ThursdayJun 4Overcast——69°45°-1°
- FridayJun 5Overcast18%—63°42°-6°
- SaturdayJun 6Light Drizzle49%—63°43°0°
- SundayJun 7Overcast——68°39°+5°
- MondayJun 8Drizzle36%0.17″54°47°-14°
- TuesdayJun 9Overcast32%—62°47°+8°
PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.64 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).
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 38 now. With UV 3.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 by mid-afternoon.
- Present
- AQI 38
- UV peak
- 3.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.64 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.64
- 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
- 6:30 AM
- Moonset
- 2:56 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Dayton at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: May 17 (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.