Altamont, Oregon Weather
Rufous Hummingbirds Arrive. Day 76 of spring. Read this microseason across nine climate regions →
Altamont weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast15%—73°52°—
- ThursdayJun 4Clear——76°43°+3°
- FridayJun 5Overcast——74°45°-2°
- SaturdayJun 6Overcast——64°40°-10°
- SundayJun 7Mostly Clear——67°33°+3°
- MondayJun 8Light Drizzle—0.04″52°45°-15°
- TuesdayJun 9Overcast18%—66°41°+14°
PM2.5 at 14.8 µg/m³, PM10 at 20.0 µg/m³ — typical background levels with no transport signature. AQI up 7 over the last 6 hours (gradual rise).
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 43 now. With UV 7.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 by mid-afternoon.
- Present
- AQI 43
- UV peak
- 7.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 14.8 µg/m³, PM10 at 20.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.74
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 6:11 AM
- Moonset
- 3:03 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Altamont at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 29 (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.