Weather forecast for tomorrowChinook, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphNNE 15°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:37 am PDT
- Sunset: 6:24 pm PDT
- details ▼
Tomorrow, on Sunday, a mix of clouds and blue sky is expected.
Temperature is predicted to swing from a high of a breezy 62.6°F to a low of a brisk 46.4°F.
Tomorrow, the expected high will be relatively higher than the average October maximum of 57.9°F.
Sunrise will be at 7:37 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 46min.
Temperature is predicted to swing from a high of a breezy 62.6°F to a low of a brisk 46.4°F.
Tomorrow, the expected high will be relatively higher than the average October maximum of 57.9°F.
Sunrise will be at 7:37 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 3 am - 6 am 7%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphN 2°
- Humidity: 87%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphNNE 20°
- Humidity: 92%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNE 35°
- Humidity: 94%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNE 46°
- Humidity: 96%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:37 am
- 8 am
- 43°F
- Feels like:39°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphENE 57°
- Humidity: 97%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 52°
- Humidity: 78%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 22°
- Humidity: 60%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphN 359°
- Humidity: 54%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 336°
- Humidity: 54%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphNNW 334°
- Humidity: 68%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:24 pm
- 8 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphNNW 347°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNNE 14°
- Humidity: 78%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dull and occasionally clear weather is expected.
The temperature will be between a minimum of 42.8°F and a maximum of 62.6°F. The warmest part of the day is expected around 3 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The lowest temperature is expected to be also moderately lower than the average minimum in October, typically 50.9°F.
The temperature will be between a minimum of 42.8°F and a maximum of 62.6°F. The warmest part of the day is expected around 3 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The lowest temperature is expected to be also moderately lower than the average minimum in October, typically 50.9°F.
Updated: Oct 18, 2026 @ 00:29:40 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, sunlight and clouds will take turns dominating the sky.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 46.4°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 50.9°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 50.9°F.
On Sunday, in Chinook, sunrise will be at 7:37 am and sunset at 6:24 pm (PDT).
In Chinook, the length of the day tomorrow will be 10h and 46min.





