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St. Augustine Weather Forecast
St. Augustine, IL Weather Forecast Date: 242 AM CST Mon Nov 09 2026
Weather forecast for St. Augustine, IL
Tonight Lo: 35°F Lo: 2°C |
Tonight... Mostly clear. Near steady temperature in the mid 30s. Light and variable winds. |
Mon Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Monday... Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph. |
| Tue Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Tuesday... Sunny. Highs in the lower 60s. North winds around 5 mph in the morning, becoming light and variable. |
Veterans Day Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Veterans Day... Partly sunny in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the upper 50s. Temperature falling into the lower 50s in the afternoon. Chance of rain 50%. |
Thu Hi: 45°FHi: 7°C Lo: 29°F Lo: -2°C |
Thursday... Mostly cloudy. Lows in the upper 30s. Highs in the mid 40s. |
| Fri Hi: 41°FHi: 5°C Lo: 31°F Lo: -1°C |
Friday... Mostly clear. Highs in the lower 40s. Lows in the upper 20s. |
| Sat Hi: 49°FHi: 9°C Lo: 31°F Lo: -1°C |
Saturday... Mostly clear. Highs in the upper 40s. Lows in the lower 30s. |
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