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St. Augustine, IL Weather Forecast
St. Augustine, IL Weather Forecast Date: 242 AM CST Mon Nov 09 2026
The area/counties/county of: Knox, including the city of Galesburg.or toggle through each period.
Rest of Tonight... Mostly clear. Near steady temperature in the mid 30s. Light and variable winds.
Monday... Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph.
Monday Night... Mostly clear. Not as cool with lows in the mid 40s. West winds around 5 mph.
Tuesday... Sunny. Highs in the lower 60s. North winds around 5 mph in the morning, becoming light and variable.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Light and variable winds.
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%.
Wednesday Night... Mostly cloudy. Lows in the upper 30s. Highs in the mid 40s.
Thursday... Mostly cloudy. Lows in the upper 30s. Highs in the mid 40s.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 20s.
Friday... Mostly clear. Highs in the lower 40s. Lows in the upper 20s.
Friday Night... Mostly clear. Highs in the lower 40s. Lows in the upper 20s.
Saturday... Mostly clear. Highs in the upper 40s. Lows in the lower 30s.
Saturday Night... Mostly clear. Highs in the upper 40s. Lows in the lower 30s.
POP = Probability of Precipitation
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