Lake Stevens, Washington Weather
Thimbleberry Sweetens. Day 89 of spring. Read this microseason across nine climate regions →
Lake Stevens weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——84°61°—
- TuesdayJun 16Overcast——65°54°-19°
- WednesdayJun 17Overcast——71°51°+6°
- ThursdayJun 18Overcast——74°47°+3°
- FridayJun 19Overcast——77°50°+3°
- SaturdayJun 20Mostly Clear——79°49°+2°
- SundayJun 21Mostly Clear——76°48°-3°
AQI 78 (Moderate), driven by PM2.5. AQI up 19 in the last 6 hours — air quality is degrading. PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 41. Overcast through the UV peak window (cloud cover ~62%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 0.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:21 AM
- Moonset
- 10:40 PM
- In sign
- ♋︎ Cancer
Thimbleberry Sweetens
Lake Stevens at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: June 3 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
Right now in the garden
Peak growing season
As of June 16, 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 Lake Stevens
- 98258