Grand Mound, Washington Weather
Thimbleberry Sweetens. Day 89 of spring. Read this microseason across nine climate regions →
Grand Mound weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——68°54°—
- WednesdayJun 17Mostly Clear——77°49°+9°
- ThursdayJun 18Overcast——82°49°+5°
- FridayJun 19Overcast——86°50°+4°
- SaturdayJun 20Partly Cloudy——77°47°-9°
- SundayJun 21Overcast——86°47°+9°
- MondayJun 22Overcast——89°51°+3°
AQI 30 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 5.0 µg/m³ (AQI 28), ratio 0.68 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
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), ratio 0.68 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.68
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 6:32 AM
- Moonset
- 10:37 PM
- In sign
- ♋︎ Cancer
Thimbleberry Sweetens
Grand Mound at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 27 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Grand Mound
- Tue68°54°1%
- Wed77°49°1%
- Thu82°49°0%
- Fri86°50°0%
- Sat77°47°0%
- Sun86°47°1%
- Mon89°51°0%
- Tue75°49°0%
- Wed76°48°0%
- Thu70°48°6%
- Fri64°50°4%
- Sat65°45°11%
- Sun72°43°6%
- Mon86°48°6%
- Tue77°51°10%
- Wed65°53°11%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 Grand Mound
- 98579
- 98531