Weather forecast for tomorrowArlington, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 8mphNW 325°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, in Arlington, changing cloud patterns will allow for periods of sunshine.
The temperature scale will run from a maximum of an enjoyable 60.8°F to a minimum of an icy 41°F.
Tomorrow's maximum temperature is predicted to be slightly warmer than the common October peak of 56.3°F.
Sunrise will be at 7:33 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 41min.
The temperature scale will run from a maximum of an enjoyable 60.8°F to a minimum of an icy 41°F.
Tomorrow's maximum temperature is predicted to be slightly warmer than the common October peak of 56.3°F.
Sunrise will be at 7:33 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 41min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 3 am 10%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNNE 25°
- Humidity: 96%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphN 10°
- Humidity: 100%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphN 9°
- Humidity: 100%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphNNE 21°
- Humidity: 100%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:33 am
- 8 am
- 37°F
- Feels like:37°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNNE 28°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphN 357°
- Humidity: 87%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWNW 296°
- Humidity: 68%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphWNW 298°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNW 307°
- Humidity: 58%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNW 306°
- Humidity: 72%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 48°F
- Feels like:48°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphWNW 303°
- Humidity: 86%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 2mphNNW 333°
- Humidity: 91%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dull and sunny weather is predicted.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 59°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. The expected low will be also close to the average minimum in October, which is 43.3°F.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 59°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. The expected low will be also close to the average minimum in October, which is 43.3°F.
Updated: Oct 17, 2026 @ 19:39:20 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 Arlington, expect a mix of sun and clouds throughout the day.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 41°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 56.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Arlington, sunrise will be at 7:33 am and sunset at 6:14 pm (PDT).
In Arlington, tomorrow, there will be 10h and 41min of daylight.
