Weather for Quincy, Illinois
Current Weather
Humidity: 96%
Heat Index: 44°F
Feels Like: 41.2°F
Wind: E 3.7 mph
Wind Gusts: 8 mph
Wind Chill: 41.2°F
Dew Point: 41.2°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 60%
Visibility: 1 mi
UV Index: 0
Five Day Weather Forecast
Sat
H: 46°F
L: 38°F
Sun
H: 62°F
L: 36°F
Mon
H: 21°F
L: 18°F
Tue
H: 31°F
L: 17°F
Wed
H: 40°F
L: 28°F
Air Quality
Nitrogen Dioxide: 9.45 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 17 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:48 PM
Daylight: 9 hrs 22 mins
Moon Transit: 3:23 AM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
2:53 AM - 5:23 AM2:53 AM - 5:23 AM
Minor Periods
11:13 AM - 12:43 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Dense Fog Advisory issued December 26 at 11:35PM CST until December 27 at 9:00AM CST by NWS St Louis MO
Effective: Fri December 26, 2025, 11:35 PM
Expires: Sat December 27, 2025, 9:00 AM
* WHAT...Visibility less than one mile in dense fog. * WHERE...Adams IL, Brown IL, and Pike IL Counties. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 26 at 11:35PM CST until December 27 at 9:00AM CST by NWS St Louis MO
Effective: Fri December 26, 2025, 11:35 PM
Expires: Sat December 27, 2025, 9:00 AM
* WHAT...Visibility less than one mile in dense fog. * WHERE...Portions of south central and southwest Illinois and central, east central, and northeast Missouri. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 26 at 11:12PM CST until December 27 at 12:00PM CST by NWS Quad Cities IA IL
Effective: Fri December 26, 2025, 11:12 PM
Expires: Sat December 27, 2025, 8:00 AM
* WHAT...Visibility one quarter mile or less at times in dense fog. * WHERE...Portions of north central, northwest, and west central Illinois. * WHEN...Until noon CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 26 at 11:12PM CST until December 27 at 12:00PM CST by NWS Quad Cities IA IL
Effective: Fri December 26, 2025, 11:12 PM
Expires: Sat December 27, 2025, 8:00 AM
* WHAT...Visibility one quarter mile or less at times in dense fog. * WHERE...Portions of northwest Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN...Until noon CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 26 at 11:35PM CST until December 27 at 10:00AM CST by NWS Lincoln IL
Effective: Fri December 26, 2025, 11:35 PM
Expires: Sat December 27, 2025, 10:00 AM
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, east central, and west central Illinois. * WHEN...Until 10 AM CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Weather Forecast
Average Temperature: 44.1°F
Average Humidity: 96%
Wind: 15.4 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 11.5 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 20.28 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:48 PM
Daylight: 9 hrs 22 mins
Moon Transit: 3:23 AM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
2:53 AM - 5:23 AM2:53 AM - 5:23 AM
Minor Periods
11:13 AM - 12:43 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 55.8°F
Average Humidity: 96%
Wind: 25.1 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 8.54 μg/m3
Sulphur Dioxide: 2.62 μg/m3
Ozone: 38.92 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:49 PM
Daylight: 9 hrs 22 mins
Moon Transit: 6:56 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
5:50 AM - 8:20 AM6:26 PM - 8:56 PM
Minor Periods
11:38 AM - 1:08 PM12:16 AM - 1:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 21°F
Average Humidity: 57%
Wind: 24.6 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 58.16 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:49 PM
Daylight: 9 hrs 23 mins
Moon Transit: 7:48 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
6:40 AM - 9:10 AM7:18 PM - 9:48 PM
Minor Periods
12:06 AM - 1:36 PM1:28 AM - 2:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 23.3°F
Average Humidity: 52%
Wind: 15.2 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 3.93 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 60.15 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:50 PM
Daylight: 9 hrs 23 mins
Moon Transit: 8:45 PM
Moonset: 3:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
7:34 AM - 10:04 AM8:15 PM - 10:45 PM
Minor Periods
12:40 AM - 2:10 PM2:45 AM - 4:15 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 30.7°F
Average Humidity: 64%
Wind: 8.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:51 PM
Daylight: 9 hrs 24 mins
Moon Transit: 9:48 PM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%
Best Times for Fishing or Hunting
Major Periods
8:34 AM - 11:04 AM9:18 PM - 11:48 PM
Minor Periods
1:23 PM - 2:53 PM4:04 AM - 5:34 AM
Action Rating: 2 out of 5