Black Diamond, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Black Diamond weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——75°53°—
- MondayJul 6Overcast——83°55°+8°
- TuesdayJul 7Overcast——80°52°-3°
- WednesdayJul 8Drizzle12%0.01″72°55°-8°
- ThursdayJul 9Overcast——77°47°+5°
- FridayJul 10Overcast——75°51°-2°
- SaturdayJul 11Overcast——73°52°-2°
AQI 22 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.90 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 12.4 µg/m³ (AQI 57) with a 0.90 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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).
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
Black Diamond at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98010
16-Day Forecast — Black Diamond
- Sun75°53°0%
- Mon83°55°0%
- Tue80°52°0%
- Wed72°55°12%
- Thu77°47°4%
- Fri75°51°2%
- Sat73°52°7%
- Sun68°49°5%
- Mon83°58°4%
- Tue86°58°3%
- Wed83°56°5%
- Thu86°58°10%
- Fri87°58°3%
- Sat86°56°10%
- Sun79°54°3%
- Mon78°51°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 Black Diamond
- 98010