Weather forecast for todayArlington, WA

Weather forecast for today

Current condition 5:34 am PDT

  • 37°F
  • Feels like:
    37°F
Fog
Fog
  • Precipitation: 0"
  • Wind: 1mphE 100°
  • Humidity: 91%
  • Dewpoint: 36°F
  • Pressure: 30.2"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Currently, in Arlington, visibility is reduced to a few meters due to thick fog in the region.
The temperature is a wintry 37.4°F. The current temperature is far from today's maximum-forecasted 60.8°F.

Sunday Oct 18, 2026

  • 61°F
  • 43°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphNNW 331°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:33 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Today, on Sunday, October 18, expect a chilly, foggy morning followed by a clear and sunny afternoon.
Forecasted temperatures will peak at a breezy 60.8°F and dip to a minimum of a chilly 42.8°F.
Today's peak temperature is expected to be moderately higher than October's average high of 56.3°F.
Sunrise will be at 7:33 am and sunset at 6:14 pm; the daylight will last for 10h and 41min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 59°C.
Coldest period: 6 am - 8 am 37°C.

Chance of precipitation

Highest chance: 6 am - 8 am 15%.

Hourly weather forecast

  • 6 am
  • 37°F
  • Feels like:
    37°F
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphNNE 21°
  • Humidity: 93%
  • Pressure: 30.18"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
Sunrise: 7:33 am
  • 8 am
  • 37°F
  • Feels like:
    37°F
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 1mphNNE 33°
  • Humidity: 96%
  • Pressure: 30.18"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNNE 13°
  • Humidity: 84%
  • Pressure: 30.15"Hg
  • Visibility: 2mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphWNW 298°
  • Humidity: 66%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWNW 298°
  • Humidity: 56%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNW 304°
  • Humidity: 58%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 306°
  • Humidity: 70%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphNW 307°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNNW 344°
  • Humidity: 90%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Arlington, primarily overcast and occasionally fog-covered weather is forecasted.
The temperature will be between a maximum of 59°F and a minimum of 37.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Today, the maximum will be a few degrees higher than the average high for October. The night temperature will be also comparable to the standard October low of 43.3°F.
Updated: Oct 18, 2026 @ 12:34:33 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 5:34 am PDT, the temperature is 37.4°F.

On Sunday, morning fog is expected, but the sky will clear, bringing plenty of afternoon sunshine.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 42.8°F.
Today, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. Today, 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, the length of the day today will be 10h and 41min.