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St. Augustine, IL 7-Day Night Weather Forecast
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St. Augustine, IL Weather Forecast
St. Augustine, IL Weather Forecast Date: 337 PM CDT Sat Sep 05 2026
The area/counties/county of: Knox, including the city of Galesburg.or toggle through each period.
Tonight... Partly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. East winds 5 to 10 mph.
Labor Day... Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Tuesday... Partly cloudy. Highs around 90. Lows in the lower 70s.
Wednesday... Partly cloudy. Highs around 90. Lows in the lower 70s.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40%.
Thursday... Partly sunny. Highs in the lower 80s.
Thursday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
Friday... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
POP = Probability of Precipitation
St. Augustine Radar Loop
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