Shoreline, Washington Weather
Rufous Hummingbirds Arrive. Day 78 of spring. Read this microseason across nine climate regions →
Shoreline weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Light Drizzle26%—57°47°—
- SaturdayJun 6Light Showers76%0.03″55°45°-2°
- SundayJun 7Light Drizzle——62°43°+7°
- MondayJun 8Light Showers44%0.08″66°47°+4°
- TuesdayJun 9Light Showers54%0.53″60°45°-6°
- WednesdayJun 10Overcast46%—66°45°+6°
- ThursdayJun 11Partly Cloudy——65°43°-1°
AQI 33 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (steady decline since this morning). PM2.5 at 6.9 µg/m³ (AQI 38) with a 0.70 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
PM × Wind × Precip
PM2.5 at 6.9 µg/m³ (AQI 38) with a 0.70 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 7:36 AM
- Moonset
- 5:02 PM
- In sign
- ♒︎ Aquarius
Rufous Hummingbirds Arrive
Shoreline at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: June 2 (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 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.
SPC Convective Outlook
Storm Prediction Center — Shoreline
SPC has placed Shoreline in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.