Grand Coulee, Washington Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Grand Coulee weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——88°61°—
- MondayJul 6Overcast——93°63°+5°
- TuesdayJul 7Overcast——95°62°+2°
- WednesdayJul 8Overcast——84°61°-11°
- ThursdayJul 9Partly Cloudy——84°52°0°
- FridayJul 10Overcast——87°52°+3°
- SaturdayJul 11Overcast——93°56°+6°
AQI 38 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline).
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
- 11:22 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Grand Coulee at a glance
- Today vs. normal: 62°F — typical for the season
- Last frost: June 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 99133
15-Day Forecast — Grand Coulee
- Sun88°61°0%
- Mon93°63°0%
- Tue95°62°0%
- Wed84°61°1%
- Thu84°52°0%
- Fri87°52°0%
- Sat93°56°1%
- Sun91°62°2%
- Mon93°54°3%
- Tue100°60°6%
- Wed102°63°2%
- Thu107°66°7%
- Fri102°69°6%
- Sat93°59°0%
- Sun94°58°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 Grand Coulee
- 99116
- 99133