Live Weather & Forecast
Weather in Herrin
Illinois, United States · Real-time conditions & 3-day outlook
14°C
Feels like 13°C
58°F / Feels 55°F
Partly Cloudy
Herrin, Illinois
🌞 Daytime
Updated: 2026-04-12 13:45
Humidity
51%
Wind
18.4 km/h SW
Wind Gust
21.1 km/h
Pressure
1014 mb
Visibility
10 km
UV Index
3.3
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
2.2°C
Wind Degree
219°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
168.9 μg/m³
NO₂
2.7 μg/m³
O₃
74 μg/m³
SO₂
1.3 μg/m³
PM 2.5
5.2 μg/m³
PM 10
11.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Herrin, Illinois
12 AM
6°
Overcast
1 AM
6°
Cloudy
2 AM
6°
Partly Cloudy
3 AM
6°
Overcast
4 AM
6°
Clear
5 AM
6°
Clear
6 AM
6°
Clear
7 AM
5°
Clear
8 AM
5°
Sunny
9 AM
7°
Sunny
10 AM
8°
Sunny
11 AM
9°
Sunny
12 PM
11°
Partly Cloudy
1 PM
14°
Partly Cloudy
2 PM
12°
Partly Cloudy
3 PM
13°
Cloudy
4 PM
13°
Partly Cloudy
5 PM
13°
Partly Cloudy
6 PM
13°
Partly Cloudy
7 PM
12°
Partly Cloudy
8 PM
11°
Patchy rain nearby
9 PM
10°
Patchy rain nearby
10 PM
9°
Overcast
11 PM
9°
Overcast
3-Day Forecast
Daily overview for Herrin, Illinois
Today
Partly Cloudy
13°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 0.9
🌅 Sunrise: 07:00 AM
🌇 Sunset: 08:37 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
13°
/
7°
🌧️ 84% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 2.25 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:58 AM
🌇 Sunset: 08:39 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 9.7 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:56 AM
🌇 Sunset: 08:41 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Herrin
Plan your trip to Herrin, 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 Herrin?
Current conditions in Herrin: Partly Cloudy, temperature 14°C, humidity 51%.
What is the best time to visit Herrin?
The best time to visit Herrin is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Herrin?
Herrin is located at approximately 50.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Herrin?
The wettest period in Herrin is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Herrin?
For visits to Herrin during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Herrin in?
Herrin is located in United States, in the state of Illinois.
What are the public holidays in Herrin in 2026?
View the 2026 public holidays for Herrin on our Holidays page.
What are the GPS coordinates used for the weather forecast in Herrin?
The weather forecast for Herrin uses coordinates 50.5497, 2.9637.