Cougar, Washington Weather
Rufous Hummingbirds Arrive. Day 77 of spring. Read this microseason across nine climate regions →
Cougar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——66°52°—
- FridayJun 5Heavy Drizzle40%0.11″54°48°-12°
- SaturdayJun 6Light Showers95%0.37″53°45°-1°
- SundayJun 7Light Drizzle——67°44°+14°
- MondayJun 8Heavy Drizzle63%0.14″69°48°+2°
- TuesdayJun 9Drizzle71%0.06″68°52°-1°
- WednesdayJun 10Mostly Clear51%—73°49°+5°
Ozone at AQI 37 now. AQI down 5 over the last 6 hours (steady decline since this morning). With UV 7.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 26 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 7.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 26 by mid-afternoon.
- Present
- AQI 37
- UV peak
- 7.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 26
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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 7:02 AM
- Moonset
- 3:57 PM
- In sign
- ♒︎ Aquarius
Rufous Hummingbirds Arrive
Cougar at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 22 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.
SPC Convective Outlook
Storm Prediction Center — Cougar
SPC has placed Cougar in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.