Weather forecast for tomorrowMarkham, IL

Weather forecast for tomorrow

Monday Oct 26, 2026

  • 66°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 9mphNNE 25°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
On Monday, in Markham, the weather will also be mostly cloudy.
A temperature range of an enjoyable 66.2°F to a chilly 48.2°F is forecasted.
Anticipated temperatures are trending a few degrees higher than October's climate norm of 61.2°F.
Sunrise will be at 7:15 am and sunset at 5:53 pm; tomorrow's daylight will last for 10h and 38min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 52°C.

Chance of precipitation

Highest chance: 9 am 7%.

Hourly weather forecast

  • 12 am
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 211°
  • Humidity: 67%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSW 220°
  • Humidity: 71%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphWSW 243°
  • Humidity: 75%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphNW 320°
  • Humidity: 81%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:15 am
  • 8 am
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 2mphN 5°
  • Humidity: 86%
  • Pressure: 30.33"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphNNE 22°
  • Humidity: 79%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphNNE 32°
  • Humidity: 71%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphNE 34°
  • Humidity: 66%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphNE 35°
  • Humidity: 68%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:53 pm
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphNE 36°
  • Humidity: 74%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphNE 37°
  • Humidity: 83%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 40°
  • Humidity: 84%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, cloudy conditions are likely to prevail.
The temperature will be between a minimum of 51.8°F and a maximum of 64.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The temperature is expected to be relatively higher than the average peak in October, which is 61.2°F. The minimum temperature will be also in line with October's average low of 46.9°F.
Updated: Oct 25, 2026 @ 06:15:34 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Markham, the weather will be mostly cloudy.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be relatively higher than the average highest temperature of 61.2°F in October. The lowest temperature will be in line with the average low of 46.9°F.

On Monday, in Markham, sunrise will be at 7:15 am and sunset at 5:53 pm (CDT).

In Markham, the length of the day tomorrow will be 10h and 38min.