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, with a high near 84. South southeast wind around 5 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: May 26, 2026 12:16 AM CDT.
The active forecast window currently covers May 26 to Jun 1, 2026 for Markham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 12:16 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Markham
Tuesday looks like the warmest upcoming period in Markham at 84 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph NE.
The forecast from May 26 through Jun 1 stays mostly dry.
Forecast Details
- Last updated
- May 26, 2026 12:16 AM 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
Partly cloudy, with a low around 63. South wind around 5 mph.
Mostly sunny, with a high near 82. North northwest wind 0 to 10 mph.
Partly cloudy, with a low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 72.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 79.
Mostly clear, with a low around 57.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 55.
Sunny, with a high near 75.
Mostly clear, with a low around 56.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Partly Sunny
|
84°F |
5 mph
SSE
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
63°F |
5 mph
S
|
|
Wednesday
May 27
|
Mostly Sunny
|
82°F |
0 to 10 mph
NNW
|
|
Wednesday Night
May 27
|
Partly Cloudy
|
57°F |
10 mph
NNE
|
|
Thursday
May 28
|
Sunny
|
72°F |
10 to 15 mph
NE
|
|
Thursday Night
May 28
|
Mostly Clear
|
54°F |
5 to 15 mph
NE
|
|
Friday
May 29
|
Mostly Sunny
|
79°F |
5 to 10 mph
NE
|
|
Friday Night
May 29
|
Mostly Clear
|
57°F |
5 to 10 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny
|
75°F |
5 to 15 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
55°F |
5 to 15 mph
NE
|
|
Sunday
May 31
|
Sunny
|
75°F |
5 to 15 mph
NE
|
|
Sunday Night
May 31
|
Mostly Clear
|
56°F |
5 to 15 mph
NNE
|
|
Monday
Jun 1
|
Sunny
|
79°F |
5 to 10 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Markham.