Harper, Oregon Weather
Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →
Harper weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——82°49°—
- ThursdayJun 4Clear——82°53°0°
- FridayJun 5Overcast——87°56°+5°
- SaturdayJun 6Overcast——74°58°-13°
- SundayJun 7Overcast——73°47°-1°
- MondayJun 8Overcast——72°49°-1°
- TuesdayJun 9Light Drizzle13%0.02″72°51°0°
Ozone at AQI 53 — peak already passed at 1 PM under overcast skies. AQI flat over the last 6 hours (within ±4 points). 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 53 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 53
- UV peak
- 2.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 53
PM × Wind × Precip
PM2.5/PM10 ratio 0.63 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.63
- Wind
- light
- 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
- 6:00 AM
- Moonset
- 2:38 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Harper at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 9 (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
Warm-season window is open
As of June 3, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.