Coulee Dam, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Coulee Dam, WA in one place.
Mostly sunny, with a high near 72. Southeast wind 2 to 8 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: Oct 15, 2026 3:28 PM PDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Coulee Dam, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:28 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Coulee Dam
Friday looks like the warmest upcoming period in Coulee Dam at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 5 to 16 mph SW.
The forecast from Oct 16 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 3:28 PM PDT
- Coverage
- 7 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 45. East wind around 5 mph.
Mostly sunny, with a high near 69. Southwest wind 5 to 16 mph, with gusts as high as 31 mph.
Partly cloudy, with a low around 37.
Areas of frost before 8am. Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 42.
Mostly cloudy, with a high near 64.
Mostly cloudy, with a low around 42.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Mostly Sunny
|
72°F |
2 to 8 mph
SE
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
45°F |
5 mph
E
|
|
Saturday
Oct 17
|
Mostly Sunny
|
69°F |
5 to 16 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
37°F |
2 to 12 mph
NW
|
|
Sunday
Oct 18
|
Areas Of Frost then Mostly Sunny
|
64°F |
2 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
42°F |
2 mph
NE
|
|
Monday
Oct 19
|
Mostly Cloudy
|
64°F |
3 mph
NW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
42°F |
3 mph
N
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
3 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
40°F |
3 mph
N
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
65°F |
1 to 5 mph
SW
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
41°F |
1 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Coulee Dam.
