Weather forecast for tomorrowArlington Heights, OH

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:50 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
On Sunday, in Arlington Heights, the outlook remains bright and sunny.
A notable temperature range, reaching a high of an enjoyable 64.4°F and a low of an icy 33.8°F, is anticipated.
Tomorrow's highest temperature is anticipated to match the regular high for October at 64.2°F.
Sunrise will be at 7:50 am and sunset at 6:54 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 36°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 102°
  • Humidity: 80%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphESE 116°
  • Humidity: 87%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 0mphE 92°
  • Humidity: 97%
  • Pressure: 30.42"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 0mphENE 79°
  • Humidity: 99%
  • Pressure: 30.42"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Sunrise: 7:50 am
  • 8 am
  • 36°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 0mphNE 44°
  • Humidity: 97%
  • Pressure: 30.45"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphENE 68°
  • Humidity: 74%
  • Pressure: 30.45"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 53°
  • Humidity: 45%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 23°
  • Humidity: 34%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 36°
  • Humidity: 32%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 24°
  • Humidity: 38%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:54 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphN 1°
  • Humidity: 65%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 20°
  • Humidity: 74%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 68°F. The warmest part of the day will be from 2 pm to 5 pm.
The high temperature is expected to be comparable to October's usual value of 64.2°F. The expected low will be more comparable to what’s common in November than the current October average of 47.5°F.
Updated: Oct 18, 2026 @ 03:32:56 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Arlington Heights, sunny skies and pleasant visibility are expected.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 33.8°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 47.5°F.

On Sunday, in Arlington Heights, sunrise will be at 7:50 am and sunset at 6:54 pm (EDT).

Tomorrow, the daylight will last for 11h and 4min.