Weather forecast for tomorrowRoche Harbor, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 55°F
- 46°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphN 353°
- Humidity: 83%
- UV index: 2
- Sunrise: 7:37 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Tomorrow, the sky will remain mostly closed off by clouds.
Day and night temperatures will present a subtle variation, fluctuating between a mild 55.4°F and a brisk 46.4°F.
The maximum temperature tomorrow is expected to reflect October's average high of 55.4°F.
Sunrise will be at 7:37 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 40min.
Day and night temperatures will present a subtle variation, fluctuating between a mild 55.4°F and a brisk 46.4°F.
The maximum temperature tomorrow is expected to reflect October's average high of 55.4°F.
Sunrise will be at 7:37 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 40min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 54°C.
Coldest hour: 6 am 45°C.
Coldest hour: 6 am 45°C.
Chance of precipitation
Highest chance: 9 am 20%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphW 266°
- Humidity: 87%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphWNW 301°
- Humidity: 90%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNW 314°
- Humidity: 92%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 2mphNNW 344°
- Humidity: 95%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:37 am
- 8 am
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 2mphNNW 333°
- Humidity: 98%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 5mphNNW 338°
- Humidity: 85%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphN 357°
- Humidity: 83%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 54°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphN 3°
- Humidity: 78%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphN 5°
- Humidity: 74%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphN 359°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 50°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 82%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNNW 343°
- Humidity: 83%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily overcast and occasionally clear weather is anticipated.
The temperature will vary between a minimum of 44.6°F and a maximum of 53.6°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature tomorrow will be comparable to October's average high. The minimum temperature tomorrow will be also a few degrees lower than October's average low.
The temperature will vary between a minimum of 44.6°F and a maximum of 53.6°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature tomorrow will be comparable to October's average high. The minimum temperature tomorrow will be also a few degrees lower than October's average low.
Updated: Oct 18, 2026 @ 00:32:03 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, widespread cloud cover will remain in place.
Tomorrow, the highest temperature will be 55.4°F, while the lowest temperature will be 46.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
On Sunday, in Roche Harbor, sunrise will be at 7:37 am and sunset at 6:17 pm (PDT).
Tomorrow, the daylight will last for 10h and 40min.
