Sunbury, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sunbury, IL in one place.
Partly sunny, with a high near 80. South southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Sunbury, 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: Jul 23, 2026 5:18 PM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Sunbury, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 5:18 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunbury
Monday looks like the warmest upcoming period in Sunbury at 94 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 5:18 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 1am. Partly cloudy, with a low around 63. South southwest wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, with a high near 84. South southwest wind 0 to 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 70.
Mostly sunny, with a high near 91.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
A chance of showers and thunderstorms. Mostly sunny, with a high near 94.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72.
Sunny, with a high near 90.
Partly cloudy, with a low around 68.
Sunny, with a high near 88.
Mostly clear, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny
|
80°F |
0 to 5 mph
SSE
|
|
Friday Night
Jul 24
|
Partly Cloudy then Slight Chance Rain Showers
|
63°F |
0 to 5 mph
SSW
|
|
Saturday
Jul 25
|
Slight Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
SSW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
70°F |
0 to 5 mph
SW
|
|
Sunday
Jul 26
|
Mostly Sunny
|
91°F |
0 to 5 mph
WSW
|
|
Sunday Night
Jul 26
|
Partly Cloudy then Chance Showers And Thunderstorms
|
74°F |
5 mph
SW
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
SW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
5 to 10 mph
WNW
|
|
Tuesday
Jul 28
|
Sunny
|
90°F |
5 to 10 mph
N
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
68°F |
0 to 5 mph
ENE
|
|
Wednesday
Jul 29
|
Sunny
|
88°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
66°F |
0 to 5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunbury.