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Current conditions at
Grand Coulee Dam Airport (K3W7)
Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.
Clear
57°F
14°C
| Humidity | 41% |
| Wind Speed | SSW 4 MPH |
| Barometer | 30.18 in (1022.01 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 13 Oct 05:35 PM PDT |
Extended Forecast for
8 Miles NW Hartline WA
Tonight
Low: 42 °F
Mostly Cloudy
Wednesday
High: 62 °F
Becoming
SunnyWednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 64 °F
Mostly Sunny
and BreezySaturday Night
Low: 39 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 42. South wind around 6 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. South wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 44. Calm wind becoming northeast around 6 mph after midnight.
Thursday
Sunny, with a high near 65. Northeast wind around 8 mph.
Thursday Night
Mostly clear, with a low around 44. East wind 6 to 8 mph becoming north after midnight.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 64. Breezy.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles NW Hartline WA
47.79°N 119.24°W (Elev. 2398 ft)
47.79°N 119.24°W (Elev. 2398 ft)
4:52 pm PDT Oct 13, 2026
5pm PDT Oct 13, 2026-6pm PDT Oct 20, 2026
Additional Resources
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