Bethany, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Bethany, IL in one place.
Mostly sunny, with a high near 86. South southeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Bethany, 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 10:44 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Bethany, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 10:44 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Bethany
Tuesday looks like the warmest upcoming period in Bethany at 97 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 8 to 13 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Aug 27, 2026 10:44 PM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 66. South southeast wind around 8 mph.
Sunny, with a high near 92. South wind 8 to 13 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 72. South wind around 10 mph, with gusts as high as 16 mph.
Sunny, with a high near 96.
Partly cloudy, with a low around 75.
Sunny, with a high near 97.
Mostly clear, with a low around 75.
Sunny, with a high near 96.
Mostly clear, with a low around 74.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
86°F |
2 to 6 mph
SSE
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
66°F |
8 mph
SSE
|
|
Sunday
Aug 30
|
Sunny
|
92°F |
8 to 13 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
72°F |
10 mph
S
|
|
Monday
Aug 31
|
Sunny
|
96°F |
13 mph
SSW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
75°F |
9 mph
SSW
|
|
Tuesday
Sep 1
|
Sunny
|
97°F |
10 mph
SW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
75°F |
7 mph
SSW
|
|
Wednesday
Sep 2
|
Sunny
|
96°F |
8 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
74°F |
3 to 7 mph
SSW
|
|
Thursday
Sep 3
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Bethany.