Sinclair, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Sinclair Weather Forecast


Sinclair, IL Weather Forecast Date: 337 PM CDT Sat Sep 05 2026
Weather forecast for Sinclair, IL
| Tonight Lo: 69°F Lo: 21°C |
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the upper 60s. Northeast winds 5 to 10 mph. |
| Sun Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Sunday... Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph. |
| Labor Day Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Labor Day... Sunny. Highs in the upper 80s. East winds around 5 mph. |
| Tue Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. |
| Wed Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Wednesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. |
| Wed Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. |
| Thu Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Thursday... Partly sunny. A chance of showers in the morning. Not as warm with highs in the mid 80s. Chance of rain 50%. |
| Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. Lows in the lower 60s. Highs in the mid 80s. |
Sinclair Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World