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Augusta, IL 7-Day Weather Forecast
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Augusta Weather Forecast
Augusta, IL Weather Forecast Date: 946 PM CDT Fri Sep 18 2026
Weather forecast for Augusta, IL
Tonight Lo: 71°F Lo: 22°C |
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. Southeast winds 5 to 10 mph. |
Sat Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Partly sunny in the morning, then becoming mostly cloudy. Hot with highs around 90. South winds 5 to 10 mph. |
Sun Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Sunday... Showers likely. A chance of thunderstorms in the afternoon. Not as warm. Humid with highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 70%. |
Mon Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Monday... Showers likely, mainly in the morning. Not as warm with highs in the upper 60s. Chance of rain 70%. |
| Tue Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy. Highs in the mid 60s. |
Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Partly cloudy. Lows in the lower 50s. Highs in the upper 60s. |
| Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Partly cloudy. Lows in the lower 50s. Highs in the upper 60s. |
| Thu Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Partly sunny. Highs around 70. |
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