Fort Lewis, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Fort Lewis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——76°54°—
- MondayJul 6Overcast——84°53°+8°
- TuesdayJul 7Overcast——80°48°-4°
- WednesdayJul 8Light Drizzle——73°52°-7°
- ThursdayJul 9Partly Cloudy——79°44°+6°
- FridayJul 10Overcast——72°49°-7°
- SaturdayJul 11Overcast——72°52°0°
AQI 21 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 10.0 µg/m³ (AQI 53) with a 0.89 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 10.0 µg/m³ (AQI 53) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 11:36 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Fort Lewis at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Fort Lewis
- Sun76°54°0%
- Mon84°53°0%
- Tue80°48°0%
- Wed73°52°7%
- Thu79°44°1%
- Fri72°49°2%
- Sat72°52°5%
- Sun68°51°4%
- Mon83°54°3%
- Tue87°55°2%
- Wed85°53°3%
- Thu90°53°10%
- Fri90°55°3%
- Sat88°53°6%
- Sun81°52°3%
- Mon79°48°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 Fort Lewis
- 98433