Oconee, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Oconee, IL in one place.
Mostly cloudy, with a high near 72. North northeast wind 6 to 10 mph.
Local Weather Overview
This forecast page for Oconee, 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: Sep 22, 2026 8:50 PM CDT.
The active forecast window currently covers Sep 23 to Sep 29, 2026 for Oconee, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 22, 2026 8:50 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Oconee
Tuesday looks like the warmest upcoming period in Oconee at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 10 mph NNE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 8:50 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 54. North northeast wind 3 to 9 mph.
Partly sunny, with a high near 75. Northeast wind around 6 mph.
Partly cloudy, with a low around 55. Northeast wind around 5 mph.
Partly sunny, with a high near 76. East northeast wind around 6 mph.
Partly cloudy, with a low around 51. East northeast wind around 5 mph.
Partly sunny, with a high near 73.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 53.
A slight chance of rain showers before 7am. Mostly cloudy, with a high near 77.
Mostly cloudy, with a low around 54.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 57.
A chance of rain showers after 7am. Partly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Cloudy
|
72°F |
6 to 10 mph
NNE
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
54°F |
3 to 9 mph
NNE
|
|
Thursday
Sep 24
|
Partly Sunny
|
75°F |
6 mph
NE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
55°F |
5 mph
NE
|
|
Friday
Sep 25
|
Partly Sunny
|
76°F |
6 mph
ENE
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
51°F |
5 mph
ENE
|
|
Saturday
Sep 26
|
Partly Sunny
|
73°F |
6 mph
E
|
|
Saturday Night
Sep 26
|
Mostly Cloudy then Slight Chance Rain Showers
|
53°F |
2 mph
ESE
|
|
Sunday
Sep 27
|
Slight Chance Rain Showers then Mostly Cloudy
|
77°F |
3 mph
ESE
|
|
Sunday Night
Sep 27
|
Mostly Cloudy
|
54°F |
2 mph
E
|
|
Monday
Sep 28
|
Mostly Sunny
|
80°F |
5 mph
ESE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
57°F |
3 mph
ESE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
83°F |
5 to 8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oconee.