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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: 127 AM CDT Tue Sep 22 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.
Rest of Tonight... Cloudy with a slight chance of showers and very light drizzle. Near steady temperature in the lower 60s. Northeast winds around 5 mph. Chance of rain 20%.
Tuesday... Mostly cloudy. A chance of showers with a slight chance of very light drizzle in the morning. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 30%.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Wednesday... Mostly sunny. Highs around 70. Northeast winds 5 to 10 mph.
Wednesday Night... Partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.
Thursday... Partly sunny. Highs around 70.
Thursday Night... Partly cloudy. Lows in the mid 50s.
Friday... Mostly cloudy. A 20% chance of showers. Highs in the lower 70s. Lows in the mid 50s.
Friday Night... Mostly cloudy. A 20% chance of showers. Highs in the lower 70s. Lows in the mid 50s.
Saturday... A slight chance of thunderstorms in the morning. Mostly cloudy with a chance of showers. Highs in the lower 70s. Chance of rain 50%.
Saturday Night... Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Sunday... Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20%.
Sunday Night... Partly cloudy. A 20% chance of showers. Lows around 60. Highs in the lower 80s.
POP = Probability of Precipitation
Quincy Radar Loop
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