Grand Coulee, WA Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Coulee, WA in one place.
Partly cloudy, with a low around 42.
Local Weather Overview
This forecast page for Grand Coulee, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 1:16 PM PDT.
The active forecast window currently covers Apr 13 to Apr 15, 2026 for Grand Coulee, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:16 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Coulee
Tuesday looks like the warmest upcoming period in Grand Coulee at 60 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 16 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:16 PM PDT
- Coverage
- 3 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KOTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly sunny, with a high near 60.
A chance of rain showers after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
A chance of rain showers before 5pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Partly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday Night
Apr 13
|
Partly Cloudy
|
42°F |
6 to 12 mph
SW
|
|
Tuesday
Apr 13
|
Partly Sunny
|
60°F |
6 to 16 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Rain Showers
|
41°F |
10 to 16 mph
SW
|
|
Wednesday
Apr 14
|
Chance Rain Showers
|
57°F |
10 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
36°F |
3 to 14 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Coulee.
