Live Weather & Forecast
Weather in Maryville
Illinois, United States · Real-time conditions & 3-day outlook
16°C
Feels like 16°C
61°F / Feels 61°F
Partly cloudy
Maryville, Illinois
🌙 Nighttime
Updated: 2026-04-16 05:15
Humidity
89%
Wind
14.4 km/h SW
Wind Gust
24.3 km/h
Pressure
1011 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0.03 mm
Cloud Cover
75%
Dew Point
13.5°C
Wind Degree
221°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
170.9 μg/m³
NO₂
5.7 μg/m³
O₃
76 μg/m³
SO₂
2.9 μg/m³
PM 2.5
5.5 μg/m³
PM 10
6.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Maryville, Illinois
12 AM
18°
Patchy rain nearby
1 AM
17°
Patchy rain nearby
2 AM
17°
Moderate rain at times
3 AM
16°
Patchy rain nearby
4 AM
16°
Patchy rain nearby
5 AM
16°
Partly cloudy
6 AM
15°
Clear
7 AM
16°
Sunny
8 AM
17°
Sunny
9 AM
19°
Sunny
10 AM
20°
Sunny
11 AM
22°
Sunny
12 PM
24°
Sunny
1 PM
26°
Sunny
2 PM
27°
Sunny
3 PM
28°
Sunny
4 PM
28°
Sunny
5 PM
28°
Sunny
6 PM
27°
Sunny
7 PM
25°
Sunny
8 PM
23°
Clear
9 PM
22°
Clear
10 PM
21°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Maryville, Illinois
Today
Moderate rain
29°
/
15°
🌧️ 86% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 5.69 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
28°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:39 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Thundery outbreaks in nearby
20°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:40 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Maryville
Plan your trip to Maryville, 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 Maryville?
Current conditions in Maryville: Partly cloudy, temperature 16°C, humidity 89%.
What is the best time to visit Maryville?
The best time to visit Maryville is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Maryville?
Maryville is located at approximately 38.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Maryville?
The wettest period in Maryville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Maryville?
For visits to Maryville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Maryville in?
Maryville is located in United States, in the state of Illinois.
What are the public holidays in Maryville in 2026?
View the 2026 public holidays for Maryville on our Holidays page.
What are the GPS coordinates used for the weather forecast in Maryville?
The weather forecast for Maryville uses coordinates 38.7237, -89.9559.