Weather forecast for 10 daysCoulee City, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNNE 29°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:03 pm PDT
- details ▼
On Sunday, October 18, mainly sunny skies with just a few high clouds are also anticipated.
The temperature will fluctuate from a high of an enjoyable 64.4°F to a low of a wintry 41°F.
Forecasts suggest the maximum temperature will be a few degrees higher than October's average of 56.3°F.
Sunrise will be at 7:20 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 43min.
The temperature will fluctuate from a high of an enjoyable 64.4°F to a low of a wintry 41°F.
Forecasts suggest the maximum temperature will be a few degrees higher than October's average of 56.3°F.
Sunrise will be at 7:20 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 66°C.
Coldest day: Sunday 25.10. 54°C.
Coldest day: Sunday 25.10. 54°C.
Chance of precipitation
Highest chance: Sunday 25.10. 19%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphNW 321°
- Humidity: 51%
- UV index: 0
- Sunrise: 7:19 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNNE 29°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphN 351°
- Humidity: 41%
- UV index: 1
- Sunrise: 7:22 am PDT
- Sunset: 6:01 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphN 353°
- Humidity: 40%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 5:59 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 39°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphE 100°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:25 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 7mphWNW 299°
- Humidity: 55%
- UV index: 2
- Sunrise: 7:26 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 32°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphWNW 300°
- Humidity: 42%
- UV index: 2
- Sunrise: 7:28 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphENE 63°
- Humidity: 52%
- UV index: 2
- Sunrise: 7:29 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 11mphNNE 14°
- Humidity: 57%
- UV index: 2
- Sunrise: 7:31 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 34°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphENE 63°
- Humidity: 60%
- UV index: 2
- Sunrise: 7:32 am PDT
- Sunset: 5:49 pm PDT
- details ▼
Across the following ten days, a combination of dull and bright weather is predicted.
Rainfall is not forecasted in Coulee City in the upcoming days.
Temperature differences will be noticeable in the upcoming period. Highs will range from 53.6°F to 66.2°F, while the forecast minimum temperature falls between 32°F and 41°F.
Tuesday and Wednesday, with the highest temperature of 66.2°F, will be the warmest days in Coulee City; expect the coldest day on next Sunday with a high of 53.6°F.
Rainfall is not forecasted in Coulee City in the upcoming days.
Temperature differences will be noticeable in the upcoming period. Highs will range from 53.6°F to 66.2°F, while the forecast minimum temperature falls between 32°F and 41°F.
Tuesday and Wednesday, with the highest temperature of 66.2°F, will be the warmest days in Coulee City; expect the coldest day on next Sunday with a high of 53.6°F.
Updated: Oct 18, 2026 @ 02:04:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect brilliant sunshine under mostly clear skies.
Tomorrow, the highest temperature in Coulee City will be 64.4°F, while the lowest temperature will be 41°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.4°F.
On Sunday, in Coulee City, sunrise will be at 7:20 am and sunset at 6:03 pm (PDT).
In Coulee City, the length of the day tomorrow will be 10h and 43min.





