Weather forecast for tomorrowChehalis, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 43°F
AM Fog / PM Sun
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphNNE 16°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:34 am PDT
- Sunset: 6:19 pm PDT
- details ▼
Tomorrow, patchy morning fog will clear, leading to a pleasant, sun-filled afternoon.
The maximum temperature will be an enjoyable 60.8°F, while the minimum temperature will be a frosty 42.8°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 58.8°F.
Sunrise will be at 7:34 am and sunset at 6:19 pm; tomorrow's daylight will last for 10h and 46min.
The maximum temperature will be an enjoyable 60.8°F, while the minimum temperature will be a frosty 42.8°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 58.8°F.
Sunrise will be at 7:34 am and sunset at 6:19 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 9 am 14%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Mostly Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNNW 328°
- Humidity: 97%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNNW 331°
- Humidity: 97%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 2mphNNW 341°
- Humidity: 100%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 2mphN 349°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
Sunrise: 7:34 am
- 8 am
- 41°F
- Feels like:39°F
Foggy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphN 0°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNNE 13°
- Humidity: 92%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNNE 24°
- Humidity: 71%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 27°
- Humidity: 55%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 23°
- Humidity: 50%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 21°
- Humidity: 57%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:19 pm
- 8 pm
- 52°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNNE 22°
- Humidity: 78%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNNE 22°
- Humidity: 84%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of primarily gloomy and occasionally mostly clear and misty weather is predicted.
The temperature will be between a minimum of 41°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted high will be in line with the typical October maximum of 58.8°F. The expected low will be also comparable to the average minimum in October, which is 42.1°F.
The temperature will be between a minimum of 41°F and a maximum of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted high will be in line with the typical October maximum of 58.8°F. The expected low will be also comparable to the average minimum in October, which is 42.1°F.
Updated: Oct 17, 2026 @ 17:37:56 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
On Sunday, morning fog will limit visibility, but conditions will improve with sunshine later in the day.
Tomorrow, the maximum temperature in Chehalis will be 60.8°F, while the minimum temperature will be 42.8°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 42.1°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 42.1°F.
On Sunday, in Chehalis, sunrise will be at 7:34 am and sunset at 6:19 pm (PDT).
In Chehalis, the length of the day tomorrow will be 10h and 46min.





