Quincy, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Quincy, IL in one place.
Partly sunny, with a high near 88. South wind 5 to 9 mph.
Local Weather Overview
This forecast page for Quincy, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 6:40 PM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Quincy, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 6:40 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Quincy
Monday looks like the warmest upcoming period in Quincy at 97 degrees F.
Saturday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Sunday at about 12 mph S.
The forecast from Aug 29 through Sep 2 stays mostly dry.
Forecast Details
- Last updated
- Aug 27, 2026 6:40 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 96.
Mostly clear, with a low around 77.
Mostly sunny, with a high near 97.
Mostly clear, with a low around 77.
Sunny, with a high near 97.
Mostly clear, with a low around 76.
Sunny, with a high near 96.
Mostly clear, with a low around 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny
|
88°F |
5 to 9 mph
S
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
73°F |
9 mph
S
|
|
Sunday
Aug 30
|
Mostly Sunny
|
96°F |
12 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
77°F |
10 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
97°F |
9 mph
S
|
|
Monday Night
Aug 31
|
Mostly Clear
|
77°F |
7 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
97°F |
7 mph
SW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
76°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Sunny
|
96°F |
7 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
77°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Quincy.
