Markham, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Markham, IL in one place.
Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Markham, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 10, 2026 2:28 PM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Markham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 2:28 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Markham
Tuesday looks like the warmest upcoming period in Markham at 92 degrees F.
Tonight is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for This Afternoon at about 5 to 10 mph NE.
The forecast from Jul 10 through Jul 16 stays mostly dry.
Forecast Details
- Last updated
- Jul 10, 2026 2:28 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 66. East northeast wind 5 to 10 mph.
Sunny, with a high near 87. East northeast wind 5 to 10 mph.
Mostly clear, with a low around 68.
Sunny, with a high near 90.
Clear, with a low around 70.
Sunny, with a high near 92.
Mostly clear, with a low around 72.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
Sunny, with a high near 90.
Mostly clear, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 10
|
Partly Sunny
|
82°F |
5 to 10 mph
NE
|
|
Tonight
Jul 10
|
Mostly Cloudy
|
66°F |
5 to 10 mph
NNE
|
|
Saturday
Jul 11
|
Mostly Sunny
|
84°F |
5 to 10 mph
NE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
66°F |
5 to 10 mph
ENE
|
|
Sunday
Jul 12
|
Sunny
|
87°F |
5 to 10 mph
ENE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
68°F |
0 to 10 mph
E
|
|
Monday
Jul 13
|
Sunny
|
90°F |
0 to 5 mph
ENE
|
|
Monday Night
Jul 13
|
Clear
|
70°F |
0 to 5 mph
SSE
|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 10 mph
WSW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
5 to 10 mph
WSW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
5 to 10 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
5 to 10 mph
WSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Markham.