Illinois · NWS LSX office

Quincy, IL weather

It is 59°F and clear at Quincy Regional Airport-Baldwin Field as of Oct 28, 4:15 AM CDT. Overnight: Partly Cloudy, low near 57°F. Forecast from the National Weather Service, issued Oct 28, 1:26 AM CDT.

Updated Oct 28, 4:23 AM CDT (snapshot)

Current conditions

Temperature

59°F

Clear

Wind

S 9 mph

Humidity 67% · dew point 48°F

Pressure · visibility

30.16 inHg

Visibility 10 mi

Observed at Quincy Regional Airport-Baldwin Field (KUIN), Oct 28, 4:15 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Quincy forecast zone right now.

Around the NWS LSX forecast area

No active alerts in zones served by the LSX office near Quincy.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Illinois.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Quincy (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM57°FPartly Cloudy0%S 6 mph
Wed 5 AM57°FPartly Cloudy0%S 6 mph
Wed 6 AM58°FPartly Sunny2%S 6 mph
Wed 7 AM57°FPartly Sunny3%S 6 mph
Wed 8 AM57°FPartly Sunny3%S 6 mph
Wed 9 AM61°FPartly Sunny3%S 6 mph
Wed 10 AM64°FMostly Sunny3%S 7 mph
Wed 11 AM68°FMostly Sunny3%S 7 mph
Wed 12 PM72°FMostly Sunny2%S 7 mph
Wed 1 PM74°FSunny2%S 8 mph
Wed 2 PM76°FSunny1%S 9 mph
Wed 3 PM77°FSunny1%S 10 mph
Wed 4 PM78°FSunny1%S 10 mph
Wed 5 PM77°FSunny1%S 9 mph
Wed 6 PM74°FMostly Clear1%S 8 mph
Wed 7 PM69°FMostly Clear1%S 7 mph
Wed 8 PM68°FMostly Clear1%S 8 mph
Wed 9 PM67°FMostly Clear1%S 9 mph
Wed 10 PM67°FMostly Clear1%S 8 mph
Wed 11 PM66°FClear1%S 8 mph
Thu 12 AM65°FMostly Clear1%S 8 mph
Thu 1 AM64°FClear1%S 8 mph
Thu 2 AM63°FClear4%S 8 mph
Thu 3 AM63°FClear6%S 7 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Quincy can differ.

7-day forecast

Overnight

Low 57°F

Partly cloudy, with a low around 57. South wind around 6 mph.

Wednesday

High 78°F·Low 60°F

Mostly sunny, with a high near 78. South wind 6 to 10 mph.

Wednesday Night: Mostly clear, with a low around 60. South wind 6 to 9 mph.

Thursday

High 77°F·Low 55°F

Mostly sunny, with a high near 77. West wind around 6 mph.

Thursday Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 55. Northeast wind around 5 mph. Chance of precipitation is 20%.

Friday

High 75°F·Low 58°F

Rain showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

Friday Night: A chance of rain showers before 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

Saturday

High 71°F·Low 56°F

A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

Sunday

High 70°F·Low 56°F

A chance of rain showers before noon. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.

Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.

Monday

High 69°F·Low 57°F

A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

Monday Night: Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

Tuesday

High 69°F

Rain showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

Nearby cities

Larger cities in the area

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About this forecast

Forecast office
Quincy is served by the National Weather Service LSX forecast office, forecast zone ILZ095, county zone ILC001.
Location used
The Census Bureau's internal point for Quincy (39.9337, -91.3793), in Adams County. Population: 38,786 (2024 estimate), number 44 of the 121 Illinois cities on this site.
Radar
Nearest NWS radar: KLSX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/39.9337,-91.3793 (forecast issued Oct 28, 1:26 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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