Snohomish, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Snohomish weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——71°51°—
- MondayJul 6Overcast——76°51°+5°
- TuesdayJul 7Overcast——78°50°+2°
- WednesdayJul 8Light Drizzle22%—67°52°-11°
- ThursdayJul 9Overcast——76°48°+9°
- FridayJul 10Overcast——72°48°-4°
- SaturdayJul 11Overcast12%—70°51°-2°
AQI 28 (Good), driven by PM2.5. AQI down 18 over the last 6 hours — air quality is improving sharply. PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.89 fine-to-coarse ratio and 6 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 5.0 µg/m³ (AQI 28) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:34 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Snohomish at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: June 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 98290, 98296
16-Day Forecast — Snohomish
- Sun71°51°0%
- Mon76°51°0%
- Tue78°50°0%
- Wed67°52°22%
- Thu76°48°3%
- Fri72°48°7%
- Sat70°51°12%
- Sun58°47°7%
- Mon84°54°5%
- Tue82°55°4%
- Wed79°52°2%
- Thu81°51°10%
- Fri83°55°6%
- Sat80°54°6%
- Sun75°52°0%
- Mon78°49°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 Snohomish
- 98290
- 98291