Maple Valley, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Maple Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——76°51°—
- MondayJul 6Overcast——83°53°+7°
- TuesdayJul 7Overcast——80°50°-3°
- WednesdayJul 8Drizzle12%0.02″68°57°-12°
- ThursdayJul 9Partly Cloudy——76°46°+8°
- FridayJul 10Clear——79°49°+3°
- SaturdayJul 11Overcast——81°51°+2°
AQI 22 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.88 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 10.4 µg/m³ (AQI 53) with a 0.88 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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).








































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
Maple Valley 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: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98038
15-Day Forecast — Maple Valley
- Sun76°51°0%
- Mon83°53°0%
- Tue80°50°0%
- Wed68°57°12%
- Thu76°46°4%
- Fri79°49°2%
- Sat81°51°7%
- Sun79°49°5%
- Mon84°49°4%
- Tue86°53°3%
- Wed87°55°5%
- Thu90°57°10%
- Fri88°60°3%
- Sat77°55°10%
- Sun87°51°3%
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 Maple Valley
- 98038