New Athens, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Athens, IL in one place.
Sunny, with a high near 75. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for New Athens, 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: Oct 22, 2026 7:34 PM CDT.
The active forecast window currently covers Oct 23 to Oct 28, 2026 for New Athens, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 23 to Oct 28, 2026
- Latest sync
- Oct 22, 2026 7:34 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in New Athens
Sunday looks like the warmest upcoming period in New Athens at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph SE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 22, 2026 7:34 PM CDT
- Coverage
- 6 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
Mostly clear, with a low around 46. Southeast wind 0 to 3 mph.
Mostly sunny, with a high near 76. East wind 0 to 3 mph.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 79.
Mostly cloudy, with a low around 50.
Partly sunny, with a high near 78.
Mostly cloudy, with a low around 49.
Partly sunny, with a high near 74.
Mostly cloudy, with a low around 49.
Mostly sunny, with a high near 74.
A slight chance of rain showers after 1am. Mostly clear, with a low around 48. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 23
|
Sunny
|
75°F |
0 to 5 mph
SE
|
|
Friday Night
Oct 23
|
Mostly Clear
|
46°F |
0 to 3 mph
SE
|
|
Saturday
Oct 24
|
Mostly Sunny
|
76°F |
0 to 3 mph
E
|
|
Saturday Night
Oct 24
|
Partly Cloudy
|
47°F |
1 mph
E
|
|
Sunday
Oct 25
|
Mostly Sunny
|
79°F |
1 mph
S
|
|
Sunday Night
Oct 25
|
Mostly Cloudy
|
50°F |
1 mph
SE
|
|
Monday
Oct 26
|
Partly Sunny
|
78°F |
1 mph
SW
|
|
Monday Night
Oct 26
|
Mostly Cloudy
|
49°F |
0 mph
|
|
Tuesday
Oct 27
|
Partly Sunny
|
74°F |
2 mph
SE
|
|
Tuesday Night
Oct 27
|
Mostly Cloudy
|
49°F |
1 mph
SE
|
|
Wednesday
Oct 28
|
Mostly Sunny
|
74°F |
1 to 5 mph
SW
|
|
Wednesday Night
Oct 28
|
Mostly Clear then Slight Chance Rain Showers
|
48°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Athens.