Winthrop, Washington Weather
Fireweed Ignites. Day 14 of summer. Read this microseason across nine climate regions →
Winthrop weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——84°59°—
- SundayJul 5Overcast——85°55°+1°
- MondayJul 6Overcast——92°62°+7°
- TuesdayJul 7Overcast——95°61°+3°
- WednesdayJul 8Overcast——80°57°-15°
- ThursdayJul 9Clear——88°50°+8°
- FridayJul 10Clear——93°55°+5°
AQI 32 (Good), driven by Ozone. AQI up 20 in the last 6 hours — air quality is degrading. Ozone at AQI 45 now. With UV 7.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 46 around 1 PM.
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 45 now. With UV 7.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 46 around 1 PM.
- Present
- AQI 45
- UV peak
- 7.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 46
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
- 11:11 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Winthrop at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- Last frost: June 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98862
16-Day Forecast — Winthrop
- Sat84°59°0%
- Sun85°55°1%
- Mon92°62°0%
- Tue95°61°1%
- Wed80°57°8%
- Thu88°50°0%
- Fri93°55°0%
- Sat97°59°1%
- Sun101°64°2%
- Mon99°70°3%
- Tue103°67°3%
- Wed96°57°3%
- Thu102°61°3%
- Fri107°71°3%
- Sat114°74°3%
- Sun117°80°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
ZIP codes in Winthrop
- 98862