Weather WorldHarmon, IL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Harmon Weather Forecast
Harmon, IL Weather Forecast Date: 325 PM CDT Tue Oct 20 2026
Weather forecast for Harmon, IL
Late Today Lo: 41°F Lo: 5°C |
Late This Afternoon... Sunny. Southeast winds around 5 mph. |
| Wed Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Wednesday... Sunny. Highs in the lower 70s. Light and variable winds, becoming southwest around 5 mph in the afternoon. |
| Thu Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Thursday... Sunny. Highs in the lower 70s. Light and variable winds. |
| Fri Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Friday... Mostly sunny. Highs in the lower 70s. |
Sat Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Saturday... Mostly cloudy. Highs in the lower 70s. |
| Sun Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy. Highs in the lower 70s. |
| Mon Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Monday... Mostly cloudy. Highs in the mid 60s. |
Harmon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...