Oso, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Oso weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——73°50°—
- MondayJul 6Overcast——79°58°+6°
- TuesdayJul 7Foggy——78°56°-1°
- WednesdayJul 8Light Rain35%0.21″63°56°-15°
- ThursdayJul 9Overcast——74°51°+11°
- FridayJul 10Overcast10%—77°52°+3°
- SaturdayJul 11Overcast14%—79°55°+2°
AQI 23 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:34 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Oso at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: June 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Oso
- Sun73°50°2%
- Mon79°58°0%
- Tue78°56°1%
- Wed63°56°35%
- Thu74°51°2%
- Fri77°52°10%
- Sat79°55°14%
- Sun76°50°9%
- Mon83°53°6%
- Tue85°56°4%
- Wed90°58°10%
- Thu91°62°12%
- Fri85°59°3%
- Sat78°57°14%
- Sun89°56°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
ZIP codes in Oso
- 98223