New Lenox, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Lenox, IL in one place.
Sunny. High near 73, with temperatures falling to around 71 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for New Lenox, 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 8, 2026 9:30 AM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for New Lenox, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 9:30 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in New Lenox
Saturday looks like the warmest upcoming period in New Lenox at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 9:30 AM CDT
- Coverage
- 7 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
Mostly clear, with a low around 51. South southwest wind 0 to 5 mph.
A slight chance of rain showers between 9am and noon, then a slight chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm. Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. Southeast wind 0 to 10 mph. Chance of precipitation is 40%.
Mostly clear, with a low around 60. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 73.
Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57.
A chance of rain showers before 1pm. Mostly sunny, with a high near 68.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 65.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Sunny
|
73°F |
5 to 10 mph
WNW
|
|
Tonight
Oct 8
|
Mostly Clear
|
51°F |
0 to 5 mph
SSW
|
|
Friday
Oct 9
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
77°F |
0 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
60°F |
5 to 10 mph
SSE
|
|
Saturday
Oct 10
|
Sunny
|
82°F |
10 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy then Slight Chance Rain Showers
|
60°F |
5 to 10 mph
SSE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
73°F |
5 mph
ESE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
56°F |
0 to 5 mph
SE
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
0 to 10 mph
SSW
|
|
Monday Night
Oct 12
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
57°F |
10 mph
W
|
|
Tuesday
Oct 13
|
Chance Rain Showers
|
68°F |
10 to 15 mph
NW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
46°F |
5 to 10 mph
N
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
65°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers
|
49°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Lenox.
