Live Weather & Forecast

Weather in New Lenox

Illinois, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
15°C
Feels like 15°C
59°F / Feels 59°F
Partly cloudy
New Lenox, Illinois
🌞 Daytime
Updated: 2026-04-12 06:45
💧
Humidity
77%
💨
Wind
22.3 km/h S
🌬️
Wind Gust
36.8 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
10°C
🌐
Wind Degree
179°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
175.9 μg/m³
NO₂
6.7 μg/m³
O₃
93 μg/m³
SO₂
4.8 μg/m³
PM 2.5
7.9 μg/m³
PM 10
8.2 μg/m³

Weather Alerts 4

Met · Severe · Immediate
Flood Warning issued April 11 at 10:50AM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Indiana... Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Lake IN and Newton Counties. For the Kankakee River...including Dunns Bridge...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T10:50:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 10:46AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T10:46:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for New Lenox, Illinois

12 AM
Clear
12°
Clear
💧 54% 💨 16.9 km/h
1 AM
Clear
12°
Clear
💧 57% 💨 16.6 km/h
2 AM
Clear
12°
Clear
💧 61% 💨 16.6 km/h
3 AM
Clear
12°
Clear
💧 67% 💨 18.7 km/h
4 AM
Clear
12°
Clear
💧 75% 💨 19.4 km/h
5 AM
Clear
12°
Clear
💧 81% 💨 20.9 km/h
6 AM
Partly cloudy
15°
Partly cloudy
💧 77% 💨 22.3 km/h
7 AM
Sunny
14°
Sunny
💧 84% 💨 23.4 km/h
8 AM
Sunny
16°
Sunny
💧 81% 💨 25.2 km/h
9 AM
Sunny
18°
Sunny
💧 74% 💨 26.3 km/h
10 AM
Sunny
22°
Sunny
💧 66% 💨 29.2 km/h
11 AM
Sunny
25°
Sunny
💧 55% 💨 29.9 km/h
12 PM
Sunny
27°
Sunny
💧 47% 💨 31 km/h
1 PM
Sunny
28°
Sunny
💧 41% 💨 32.4 km/h
2 PM
Sunny
29°
Sunny
💧 39% 💨 31.7 km/h
3 PM
Sunny
29°
Sunny
💧 39% 💨 30.6 km/h
4 PM
Sunny
26°
Sunny
💧 39% 💨 26.6 km/h
5 PM
Overcast
24°
Overcast
💧 62% 💨 22.7 km/h
6 PM
Overcast
23°
Overcast
💧 68% 💨 15.5 km/h
7 PM
Overcast
22°
Overcast
💧 73% 💨 24.1 km/h
8 PM
Cloudy
22°
Cloudy
💧 67% 💨 32.4 km/h
9 PM
Overcast
20°
Overcast
💧 66% 💨 27.4 km/h
10 PM
Overcast
19°
Overcast
💧 84% 💨 27.7 km/h
11 PM
Overcast
18°
Overcast
💧 86% 💨 33.1 km/h

3-Day Forecast

Daily overview for New Lenox, Illinois

Today
Sunny
Sunny
30° / 12°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 33.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Heavy rain
Heavy rain
23° / 16°
🌧️ 85% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 23.42 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
26° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 43.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit New Lenox

Plan your trip to New Lenox, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to New Lenox 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in New Lenox?
Current conditions in New Lenox: Partly cloudy, temperature 15°C, humidity 77%.
What is the best time to visit New Lenox?
The best time to visit New Lenox is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in New Lenox?
New Lenox is located at approximately 41.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in New Lenox?
The wettest period in New Lenox is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to New Lenox?
For visits to New Lenox during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is New Lenox in?
New Lenox is located in United States, in the state of Illinois.
What are the public holidays in New Lenox in 2026?
View the 2026 public holidays for New Lenox on our Holidays page.
What are the GPS coordinates used for the weather forecast in New Lenox?
The weather forecast for New Lenox uses coordinates 41.512, -87.9656.