Black Diamond, Washington Weather
Solstice Light Crests. Day 86 of spring. Read this microseason across nine climate regions →
Black Diamond weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Overcast——81°56°—
- SundayJun 14Partly Cloudy——85°62°+4°
- MondayJun 15Overcast——88°62°+3°
- TuesdayJun 16Overcast——76°51°-12°
- WednesdayJun 17Overcast——76°47°0°
- ThursdayJun 18Overcast——80°50°+4°
- FridayJun 19Overcast——81°51°+1°
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.3 µg/m³ (AQI 64) with a 0.82 fine-to-coarse ratio and 5 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 16.3 µg/m³ (AQI 64) with a 0.82 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:24 AM
- Moonset
- 7:04 PM
- In sign
- ♉︎ Taurus
Solstice Light Crests
Black Diamond at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Black Diamond
- Sat80°56°0%
- Sun85°62°0%
- Mon88°62°0%
- Tue76°51°4%
- Wed76°47°1%
- Thu80°50°1%
- Fri81°51°2%
- Sat74°46°2%
- Sun76°50°7%
- Mon77°49°2%
- Tue83°51°3%
- Wed91°56°11%
- Thu103°63°16%
- Fri94°65°23%
- Sat85°57°22%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, 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