Markham, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Markham, IL in one place.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 69. East southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
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: Apr 9, 2026 3:48 AM CDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Markham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:48 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Markham
Monday looks like the warmest upcoming period in Markham at 83 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 13 to 21 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:48 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 59. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58.
Showers and thunderstorms likely. Partly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
69°F |
10 mph
ESE
|
|
Saturday Night
Apr 11
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
59°F |
9 to 13 mph
SSE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
76°F |
13 to 21 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
63°F |
17 mph
SSW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
83°F |
16 to 20 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
17 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
15 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
58°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
73°F |
16 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Markham.