Marietta-Alderwood, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Marietta-Alderwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——71°52°—
- MondayJul 6Overcast——72°55°+1°
- TuesdayJul 7Light Drizzle—0.02″65°53°-7°
- WednesdayJul 8Rain23%0.42″64°55°-1°
- ThursdayJul 9Overcast——63°51°-1°
- FridayJul 10Overcast——66°53°+3°
- SaturdayJul 11Overcast11%—64°53°-2°
AQI 23 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 6.7 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
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 6.7 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:37 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Marietta-Alderwood at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: June 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Marietta-Alderwood
- Sun71°52°0%
- Mon72°55°0%
- Tue65°53°0%
- Wed64°55°23%
- Thu63°51°1%
- Fri66°53°7%
- Sat64°53°11%
- Sun63°52°5%
- Mon67°52°7%
- Tue70°53°3%
- Wed72°56°3%
- Thu73°58°6%
- Fri72°60°3%
- Sat67°55°13%
- Sun69°54°5%
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 Marietta-Alderwood
- 98225
- 98226