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Current conditions at
Grand Coulee Dam Airport (K3W7)
Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.
Clear
46°F
8°C
| Humidity | 70% |
| Wind Speed | WSW 4 MPH |
| Barometer | 30.34 in (1027.43 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 03 Apr 11:15 AM PDT |
Extended Forecast for
Grand Coulee WA
Today
High: 57 °F
Mostly Sunny
Tonight
Low: 38 °F
Partly Cloudy
Saturday
High: 64 °F
Sunny
Saturday Night
Low: 44 °F
Partly Cloudy
Sunday
High: 70 °F
Partly Sunny
Sunday Night
Low: 48 °F
Mostly Cloudy
Monday
High: 72 °F
Partly Sunny
Monday Night
Low: 45 °F
Partly Cloudy
Tuesday
High: 60 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 57. Southwest wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 38. South wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 64. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 70. Northeast wind around 5 mph becoming light and variable.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Coulee WA
47.94°N 119.02°W (Elev. 1601 ft)
47.94°N 119.02°W (Elev. 1601 ft)
10:51 am PDT Apr 3, 2026
11am PDT Apr 3, 2026-6pm PDT Apr 9, 2026
Additional Resources
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Hourly Weather Forecast
