Granite Falls, Washington Weather
Rufous Hummingbirds Arrive. Day 78 of spring. Read this microseason across nine climate regions →
Granite Falls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle47%0.03″62°51°—
- FridayJun 5Light Drizzle54%0.03″57°48°-5°
- SaturdayJun 6Heavy Drizzle87%0.04″55°45°-2°
- SundayJun 7Light Drizzle18%—62°45°+7°
- MondayJun 8Drizzle46%0.17″61°48°-1°
- TuesdayJun 9Showers60%0.30″60°46°-1°
- WednesdayJun 10Overcast52%—64°48°+4°
AQI 37 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.87 fine-to-coarse ratio and 2 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 11.0 µg/m³ (AQI 55) with a 0.87 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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
- 7:35 AM
- Moonset
- 4:59 PM
- In sign
- ♒︎ Aquarius
Rufous Hummingbirds Arrive
Granite Falls at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: June 4 (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 — Granite Falls
SPC has placed Granite Falls in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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.