Live Weather & Forecast
Weather in Clinton
Illinois, United States · Real-time conditions & 3-day outlook
26°C
Feels like 26°C
78°F / Feels 78°F
Partly cloudy
Clinton, Illinois
🌞 Daytime
Updated: 2026-04-12 14:00
Humidity
37%
Wind
35.6 km/h SSW
Wind Gust
42 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
4.9
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
11.9°C
Wind Degree
208°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
4.9 μg/m³
O₃
98 μg/m³
SO₂
1.9 μg/m³
PM 2.5
7.5 μg/m³
PM 10
8.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Clinton, Illinois
12 AM
14°
Clear
1 AM
14°
Clear
2 AM
14°
Clear
3 AM
14°
Clear
4 AM
14°
Clear
5 AM
14°
Clear
6 AM
14°
Clear
7 AM
16°
Sunny
8 AM
18°
Sunny
9 AM
20°
Sunny
10 AM
23°
Sunny
11 AM
26°
Sunny
12 PM
27°
Sunny
1 PM
27°
Partly Cloudy
2 PM
26°
Partly cloudy
3 PM
28°
Partly Cloudy
4 PM
27°
Sunny
5 PM
26°
Cloudy
6 PM
24°
Partly Cloudy
7 PM
23°
Cloudy
8 PM
22°
Overcast
9 PM
19°
Partly Cloudy
10 PM
20°
Light rain
11 PM
20°
Cloudy
3-Day Forecast
Daily overview for Clinton, Illinois
Today
Patchy rain nearby
29°
/
13°
🌧️ 62% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 36 km/h
🌧️ Total precip: 1.14 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Heavy rain
23°
/
16°
🌧️ 84% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 37.1 km/h
🌧️ Total precip: 23.85 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
25°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Clinton
Plan your trip to Clinton, 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 Clinton?
Current conditions in Clinton: Partly cloudy, temperature 26°C, humidity 37%.
What is the best time to visit Clinton?
The best time to visit Clinton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Clinton?
Clinton is located at approximately 40.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Clinton?
The wettest period in Clinton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Clinton?
For visits to Clinton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Clinton in?
Clinton is located in United States, in the state of Illinois.
What are the public holidays in Clinton in 2026?
View the 2026 public holidays for Clinton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Clinton?
The weather forecast for Clinton uses coordinates 40.1526, -88.9607.