Oso, Washington Weather
Rufous Hummingbirds Arrive. Day 77 of spring. Read this microseason across nine climate regions →
Oso weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle37%0.01″61°52°—
- FridayJun 5Rain70%0.41″58°48°-3°
- SaturdayJun 6Heavy Drizzle89%0.05″55°45°-3°
- SundayJun 7Light Drizzle16%0.02″62°47°+7°
- MondayJun 8Overcast60%—77°44°+15°
- TuesdayJun 9Overcast64%—77°50°0°
- WednesdayJun 10Partly Cloudy42%—73°51°-4°
Ozone at AQI 33. AQI down 8 over the last 6 hours (steady decline since this morning). Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
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 33. Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 2.9 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
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
- 7:11 AM
- Moonset
- 3:45 PM
- In sign
- ♒︎ Aquarius
Rufous Hummingbirds Arrive
Oso at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: June 5 (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 4, 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.
SPC Convective Outlook
Storm Prediction Center — Oso
SPC has placed Oso in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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.