Live Weather & Forecast
Weather in Rantoul
Illinois, United States · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
70°F / Feels 70°F
Sunny
Rantoul, Illinois
🌞 Daytime
Updated: 2026-04-12 09:30
Humidity
59%
Wind
24.5 km/h SSW
Wind Gust
34.3 km/h
Pressure
1019 mb
Visibility
16 km
UV Index
1.8
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
13.5°C
Wind Degree
191°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
1.8 μg/m³
O₃
115 μg/m³
SO₂
1.8 μg/m³
PM 2.5
6 μg/m³
PM 10
6.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rantoul, Illinois
12 AM
13°
Clear
1 AM
13°
Clear
2 AM
13°
Clear
3 AM
13°
Clear
4 AM
13°
Clear
5 AM
13°
Clear
6 AM
13°
Clear
7 AM
15°
Sunny
8 AM
17°
Sunny
9 AM
21°
Sunny
10 AM
22°
Sunny
11 AM
25°
Sunny
12 PM
26°
Sunny
1 PM
27°
Sunny
2 PM
27°
Sunny
3 PM
28°
Sunny
4 PM
26°
Sunny
5 PM
25°
Overcast
6 PM
24°
Sunny
7 PM
23°
Cloudy
8 PM
22°
Overcast
9 PM
19°
Overcast
10 PM
20°
Overcast
11 PM
20°
Partly Cloudy
3-Day Forecast
Daily overview for Rantoul, Illinois
Today
Sunny
28°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
25°
/
17°
🌧️ 88% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 37.8 km/h
🌧️ Total precip: 10.94 mm
☀️ UV Index: 1
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
25°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 34.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Rantoul
Plan your trip to Rantoul, 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.
Frequently Asked Questions
What is the current weather in Rantoul?
Current conditions in Rantoul: Sunny, temperature 21°C, humidity 59%.
What is the best time to visit Rantoul?
The best time to visit Rantoul is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Rantoul?
Rantoul is located at approximately 40.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Rantoul?
The wettest period in Rantoul is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Rantoul?
For visits to Rantoul during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Rantoul in?
Rantoul is located in United States, in the state of Illinois.
What are the public holidays in Rantoul in 2026?
View the 2026 public holidays for Rantoul on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rantoul?
The weather forecast for Rantoul uses coordinates 40.3084, -88.1559.