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City of Quincy, IllinoisQuincy, IL 7-Day Night Weather Forecast
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Quincy, IL Weather Forecast
Quincy, IL Weather Forecast Date: 637 PM CST Sat Nov 14 2026
The area/counties/county of: Adams County Il, including the cities of: Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 20s. East winds around 5 mph this evening, becoming light and variable.
Sunday... Mostly sunny. Highs in the lower 50s. Light and variable winds.
Sunday Night... Mostly clear. Lows in the upper 20s. Light and variable winds.
Monday... Sunny. Highs in the mid 50s. South winds around 5 mph.
Monday Night... Clear. Lows in the lower 30s. South winds around 5 mph.
Tuesday... Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
Tuesday Night... Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
Wednesday... Mostly sunny. Highs in the lower 60s.
Wednesday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Not as cool with lows in the upper 40s. Chance of rain 20%.
Thursday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50.
Friday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50.
POP = Probability of Precipitation
Quincy Radar Loop
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