Live Weather & Forecast
Weather in Arthur
Illinois, United States · Real-time conditions & 3-day outlook
24°C
Feels like 25°C
76°F / Feels 77°F
Partly cloudy
Arthur, Illinois
🌞 Daytime
Updated: 2026-04-12 17:15
Humidity
40%
Wind
34.2 km/h SSW
Wind Gust
48.8 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
1.3
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
11.8°C
Wind Degree
197°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
146.9 μg/m³
NO₂
3 μg/m³
O₃
110 μg/m³
SO₂
1.9 μg/m³
PM 2.5
6.9 μg/m³
PM 10
7.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Arthur, Illinois
12 AM
14°
Clear
1 AM
14°
Clear
2 AM
14°
Clear
3 AM
14°
Clear
4 AM
13°
Clear
5 AM
13°
Clear
6 AM
14°
Clear
7 AM
15°
Sunny
8 AM
17°
Sunny
9 AM
19°
Sunny
10 AM
22°
Sunny
11 AM
25°
Sunny
12 PM
27°
Sunny
1 PM
27°
Sunny
2 PM
28°
Partly Cloudy
3 PM
28°
Sunny
4 PM
27°
Sunny
5 PM
24°
Partly cloudy
6 PM
26°
Patchy rain nearby
7 PM
24°
Patchy rain nearby
8 PM
22°
Clear
9 PM
22°
Patchy rain nearby
10 PM
21°
Patchy rain nearby
11 PM
19°
Patchy light drizzle
3-Day Forecast
Daily overview for Arthur, Illinois
Today
Patchy rain nearby
29°
/
13°
🌧️ 81% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 40 km/h
🌧️ Total precip: 0.54 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
23°
/
18°
🌧️ 82% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 1.34 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
23°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 33.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Arthur
Plan your trip to Arthur, 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 Arthur?
Current conditions in Arthur: Partly cloudy, temperature 24°C, humidity 40%.
What is the best time to visit Arthur?
The best time to visit Arthur is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Arthur?
Arthur is located at approximately 39.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Arthur?
The wettest period in Arthur is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Arthur?
For visits to Arthur during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Arthur in?
Arthur is located in United States, in the state of Illinois.
What are the public holidays in Arthur in 2026?
View the 2026 public holidays for Arthur on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arthur?
The weather forecast for Arthur uses coordinates 39.7148, -88.4723.