Oroville, Washington Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Oroville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast33%—82°58°—
- ThursdayJun 4Overcast——79°52°-3°
- FridayJun 5Overcast11%—76°52°-3°
- SaturdayJun 6Heavy Drizzle66%0.10″59°46°-17°
- SundayJun 7Overcast——68°43°+9°
- MondayJun 8Overcast20%—59°46°-9°
- TuesdayJun 9Light Drizzle42%—70°49°+11°
Ozone at AQI 56 — peak already passed at 1 PM under partly cloudy skies. AQI up 8 over the last 6 hours (gradual rise). 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 56 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 56
- UV peak
- 0.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 56
PM × Wind × Precip
PM2.5/PM10 ratio 0.53 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.53
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 7:03 AM
- Moonset
- 3:32 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Oroville at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: June 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 4, 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.
SPC Convective Outlook
Storm Prediction Center — Oroville
SPC has placed Oroville in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.