Weather forecast for todayMarkham, IL

Weather forecast for today

Current condition 3:10 pm CDT

  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 12mphSSW 200°
  • Humidity: 31%
  • Dewpoint: 34°F
  • Pressure: 30.37"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
At the moment, in Markham, the sky is clear with no clouds in sight.
The temperature is a breezy 64.4°F, while the real-feel temperature is a similar 62.6°F. The current temperature is nearly at the maximum predicted 66.2°F for today.

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 35%
  • UV index: 2
  • Sunrise: 7:06 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
Today, sunshine is expected with little to no cloud cover.
A remarkable high of a comfortable 66.2°F during the day and a stark low of a cold 39.2°F at night are anticipated.
Today's highest temperature will be relatively higher than the average October maximum of 61.2°F.
Sunrise was at 7:06 am and sunset will be at 6:05 pm; the daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 64°C.
Coldest hour: 12 am 48°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 2%.

Hourly weather forecast

  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 201°
  • Humidity: 32%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 199°
  • Humidity: 33%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 188°
  • Humidity: 39%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 7 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 47%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 183°
  • Humidity: 52%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 187°
  • Humidity: 56%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 59%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 194°
  • Humidity: 63%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 201°
  • Humidity: 66%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 199°
  • Humidity: 69%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will be between a maximum of 64.4°F and a minimum of 50°F. The warmest part of the day is anticipated around 4 pm.
The maximum temperature will be slightly warmer than October's average high of 61.2°F. Forecast models suggest a low more similar to November's typical minimum of 34.9°F than October's usual 46.9°F.
Updated: Oct 18, 2026 @ 20:10:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:10 pm CDT) is 64.4°F.

Today, sunny and dry conditions are anticipated.

Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be a couple of degrees higher than the average highest temperature in October. Today, the lowest temperature will be also slightly cooler than the average low temperature.

On Sunday, in Markham, sunrise was at 7:06 am and sunset will be at 6:05 pm (CDT).

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