Sequim, Washington Weather
Rufous Hummingbirds Arrive. Day 76 of spring. Read this microseason across nine climate regions →
Sequim weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast13%—67°53°—
- ThursdayJun 4Overcast——60°50°-7°
- FridayJun 5Light Drizzle93%—58°48°-2°
- SaturdayJun 6Drizzle69%0.03″57°44°-1°
- SundayJun 7Overcast14%—59°43°+2°
- MondayJun 8Light Drizzle51%0.01″60°47°+1°
- TuesdayJun 9Light Drizzle55%0.01″59°44°-1°
PM2.5 at 9.3 µg/m³, PM10 at 13.2 µg/m³ — typical background levels with no transport signature. AQI flat over the last 6 hours (within ±3 points).
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 44 now. With UV 2.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 44
- UV peak
- 2.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 9.3 µg/m³, PM10 at 13.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.70
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 6:44 AM
- Moonset
- 2:42 PM
- In sign
- ♑︎ Capricorn
Rufous Hummingbirds Arrive
Sequim at a glance
- Today vs. normal: 66°F — typical for the season
- Last frost: June 3 (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 3, 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 — Sequim
SPC has placed Sequim in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.