Live Weather & Forecast
Weather in Mount Olive
Illinois, United States · Real-time conditions & 3-day outlook
25°C
Feels like 26°C
78°F / Feels 78°F
Partly cloudy
Mount Olive, Illinois
🌞 Daytime
Updated: 2026-04-12 15:45
Humidity
41%
Wind
33.1 km/h SSW
Wind Gust
44.7 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
4.4
(Moderate)
Precipitation
0 mm
Cloud Cover
50%
Dew Point
12.7°C
Wind Degree
193°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
159.9 μg/m³
NO₂
7 μg/m³
O₃
94 μg/m³
SO₂
2.8 μg/m³
PM 2.5
7.6 μg/m³
PM 10
8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Mount Olive, Illinois
12 AM
16°
Clear
1 AM
16°
Clear
2 AM
16°
Clear
3 AM
15°
Clear
4 AM
15°
Clear
5 AM
15°
Clear
6 AM
15°
Clear
7 AM
16°
Sunny
8 AM
18°
Sunny
9 AM
21°
Sunny
10 AM
24°
Sunny
11 AM
26°
Sunny
12 PM
28°
Sunny
1 PM
29°
Sunny
2 PM
28°
Sunny
3 PM
25°
Partly cloudy
4 PM
26°
Sunny
5 PM
25°
Cloudy
6 PM
23°
Overcast
7 PM
22°
Overcast
8 PM
22°
Overcast
9 PM
21°
Cloudy
10 PM
21°
Overcast
11 PM
18°
Cloudy
3-Day Forecast
Daily overview for Mount Olive, Illinois
Today
Sunny
30°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 33.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
25°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 32 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
26°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Mount Olive
Plan your trip to Mount Olive, 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 Mount Olive?
Current conditions in Mount Olive: Partly cloudy, temperature 25°C, humidity 41%.
What is the best time to visit Mount Olive?
The best time to visit Mount Olive is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mount Olive?
Mount Olive is located at approximately 39.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mount Olive?
The wettest period in Mount Olive is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mount Olive?
For visits to Mount Olive during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mount Olive in?
Mount Olive is located in United States, in the state of Illinois.
What are the public holidays in Mount Olive in 2026?
View the 2026 public holidays for Mount Olive on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mount Olive?
The weather forecast for Mount Olive uses coordinates 39.0722, -89.7272.