Philomath, Oregon Weather
Rufous Hummingbirds Arrive. Day 76 of spring. Read this microseason across nine climate regions →
Philomath weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast10%—68°52°—
- ThursdayJun 4Overcast——67°49°-1°
- FridayJun 5Overcast——61°44°-6°
- SaturdayJun 6Drizzle29%—63°43°+2°
- SundayJun 7Overcast——72°41°+9°
- MondayJun 8Drizzle40%0.15″54°47°-18°
- TuesdayJun 9Overcast30%—65°50°+11°
PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.65 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust. AQI up 5 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 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 11.8 µg/m³ (AQI 56) with a 0.65 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.65
- 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
- 6:28 AM
- Moonset
- 3:00 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Philomath at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 13 (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.