Coulee Dam, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Coulee Dam, WA in one place.
Sunny, with a high near 60. West wind 2 to 6 mph.
Local Weather Overview
This forecast page for Coulee Dam, 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 15, 2026 12:56 PM PDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Coulee Dam, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 12:56 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Coulee Dam
Monday looks like the warmest upcoming period in Coulee Dam at 77 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 9 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 12:56 PM PDT
- Coverage
- 6 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 cloudy, with a low around 37.
Partly sunny, with a high near 65.
Mostly cloudy, with a low around 44.
Partly sunny, with a high near 72.
Mostly cloudy, with a low around 48.
Mostly sunny, with a high near 77.
A slight chance of rain after 5am. Partly cloudy, with a low around 51. Chance of precipitation is 20%.
A slight chance of rain before 11am. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
A slight chance of rain after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Sunny
|
60°F |
2 to 6 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
37°F |
2 to 6 mph
S
|
|
Saturday
Apr 18
|
Partly Sunny
|
65°F |
2 to 8 mph
SE
|
|
Saturday Night
Apr 18
|
Mostly Cloudy
|
44°F |
5 to 8 mph
E
|
|
Sunday
Apr 19
|
Partly Sunny
|
72°F |
5 to 8 mph
E
|
|
Sunday Night
Apr 19
|
Mostly Cloudy
|
48°F |
3 to 7 mph
E
|
|
Monday
Apr 20
|
Mostly Sunny
|
77°F |
3 to 7 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy then Slight Chance Light Rain
|
51°F |
7 mph
NE
|
|
Tuesday
Apr 21
|
Slight Chance Light Rain then Mostly Sunny
|
76°F |
5 to 9 mph
W
|
|
Tuesday Night
Apr 21
|
Slight Chance Light Rain
|
51°F |
5 to 9 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Coulee Dam.