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City of Markham, ILMarkham, IL 7-Day Weather Forecast
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Markham Weather Forecast
Markham, IL Weather Forecast Date: 120 PM CDT Mon Sep 07 2026
Weather forecast for Markham, IL
Today Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
This Afternoon... Mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph. |
Tue Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
Tuesday... Partly cloudy. Highs in the mid 80s. South winds 5 to 10 mph. |
Wed Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly cloudy. Showers likely in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of precipitation 60%. |
| Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Partly cloudy. Highs in the mid 70s. |
| Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Mostly sunny. Highs in the lower 80s. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Partly cloudy. Highs in the mid 80s. |
| Sun Hi: 81°FHi: 27°C |
Sunday... Partly cloudy. Highs in the lower 80s. |
Markham Radar Loop
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