Weather forecast for todayArlington, IL

Weather forecast for today

Current condition 9:25 am CDT

  • 46°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 68%
  • Dewpoint: 37°F
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Currently, the weather is cheerful and full of sunlight.
The temperature is a brisk 46.4°F, the real-feel temperature is slightly different, evaluated at a frosty 42.8°F. The current temperature is relatively far from today's maximum-forecasted 64.4°F.

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
On Sunday, in Arlington, sun-filled conditions are expected to persist.
Temperatures will show considerable variation, extending from a high of a comfortable 64.4°F to a low of an icy 37.4°F.
Forecasts show that today the temperature will align with October's standard maximum of 61.2°F.
Sunrise was at 7:12 am and sunset will be at 6:11 pm; the daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest hour: 12 am 45°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 10 am
  • 50°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 62%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 52%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 46%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 201°
  • Humidity: 41%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 199°
  • Humidity: 38%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 36%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 194°
  • Humidity: 34%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 191°
  • Humidity: 35%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 181°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 7 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 174°
  • Humidity: 52%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 175°
  • Humidity: 58%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 178°
  • Humidity: 63%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 179°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 186°
  • Humidity: 72%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Arlington, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the lowest temperature of 46.4°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the temperature is forecasted to be similar to the usual maximum for October. The lowest temperature today is more consistent with November's average minimum of 33.4°F than the average low in October of 45.3°F.
Updated: Oct 18, 2026 @ 14:25:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (9:25 am CDT) is 46.4°F.

On Sunday, the outlook remains bright and sunny.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be moderately lower than the average low of 45.3°F.

On Sunday, in Arlington, sunrise was at 7:12 am and sunset will be at 6:11 pm (CDT).

Today, the daylight will last for 10h and 59min.