Cosmopolis, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Cosmopolis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——72°52°—
- MondayJul 6Overcast——67°49°-5°
- TuesdayJul 7Drizzle—0.05″67°48°0°
- WednesdayJul 8Drizzle24%0.04″67°47°0°
- ThursdayJul 9Overcast——68°46°+1°
- FridayJul 10Overcast10%—64°49°-4°
- SaturdayJul 11Overcast——67°50°+3°
AQI 19 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:40 PM
- Moonset
- 11:31 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Cosmopolis at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98537
16-Day Forecast — Cosmopolis
- Sun72°52°2%
- Mon67°49°0%
- Tue67°48°4%
- Wed67°47°24%
- Thu68°46°1%
- Fri64°49°10%
- Sat67°50°8%
- Sun62°52°6%
- Mon78°55°4%
- Tue75°55°4%
- Wed75°52°2%
- Thu80°51°6%
- Fri78°52°3%
- Sat75°53°0%
- Sun70°51°3%
- Mon67°51°6%
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 Cosmopolis
- 98520
- 98563
- 98537