Weather WorldLancaster, IL 7-Day Weather Forecast
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Lancaster Weather Forecast
Lancaster, IL Weather Forecast Date: 122 PM CDT Mon Sep 07 2026
Weather forecast for Lancaster, IL
Today Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
This Afternoon... Sunny. Near steady temperature in the upper 80s. Northeast winds 5 to 10 mph. |
| Tue Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Tuesday... Mostly sunny. Highs in the mid 90s. South winds 5 to 10 mph. |
| Wed Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Wednesday... Sunny, hot with highs in the upper 90s. Southwest winds 10 to 15 mph. |
Thu Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Thursday... Showers with a chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the mid 80s. Chance of rain 80%. |
| Fri Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Friday... Mostly clear. Highs in the upper 80s. Lows in the mid 60s. |
| Sat Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny. Highs in the lower 90s. |
| Sun Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Sunday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. |
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