Weather forecast for tomorrowCathlamet, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphNNE 27°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:35 am PDT
- Sunset: 6:21 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, occasional clouds will pass by, but expect bright spells.
The highest anticipated temperature is a comfortable 64.4°F, while the lowest temperature will be a brisk 44.6°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:35 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 47min.
The highest anticipated temperature is a comfortable 64.4°F, while the lowest temperature will be a brisk 44.6°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:35 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 47min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 12 am - 3 am 8%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphWSW 258°
- Humidity: 94%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 0mphW 265°
- 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: 1mphWNW 287°
- Humidity: 97%
- Pressure: 30.18"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNW 324°
- Humidity: 97%
- Pressure: 30.18"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 7:35 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphE 80°
- Humidity: 97%
- Pressure: 30.15"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphENE 71°
- Humidity: 79%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNE 35°
- Humidity: 59%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 21°
- Humidity: 48%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 0°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:21 pm
- 8 pm
- 54°F
- Feels like:54°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphWSW 237°
- Humidity: 70%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSSE 162°
- Humidity: 77%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dull and occasionally clear weather is anticipated.
The temperature will be between a minimum of 41°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more resembling September's average maximum of 69.6°F than October's usual of 58.8°F. The lowest temperature tomorrow will be consistent with October's average minimum.
The temperature will be between a minimum of 41°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more resembling September's average maximum of 69.6°F than October's usual of 58.8°F. The lowest temperature tomorrow will be consistent with October's average minimum.
Updated: Oct 17, 2026 @ 22:01:10 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, in Cathlamet, variable cloud cover will persist, but sunshine will break through.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 44.6°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.4°F.
On Sunday, in Cathlamet, sunrise will be at 7:35 am and sunset at 6:21 pm (PDT).
Tomorrow, the daylight will last for 10h and 47min.
