Live Weather & Forecast
Weather in Duncan
Oklahoma, United States · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
69°F / Feels 69°F
Overcast
Duncan, Oklahoma
🌞 Daytime
Updated: 2026-04-13 07:00
Humidity
94%
Wind
28.8 km/h S
Wind Gust
42.7 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
18.6°C
Wind Degree
182°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
148.9 μg/m³
NO₂
1.6 μg/m³
O₃
77 μg/m³
SO₂
1.3 μg/m³
PM 2.5
4.6 μg/m³
PM 10
5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Duncan, Oklahoma
12 AM
21°
Clear
1 AM
21°
Cloudy
2 AM
21°
Cloudy
3 AM
21°
Overcast
4 AM
20°
Cloudy
5 AM
20°
Cloudy
6 AM
20°
Overcast
7 AM
20°
Overcast
8 AM
21°
Overcast
9 AM
22°
Overcast
10 AM
23°
Overcast
11 AM
25°
Overcast
12 PM
27°
Partly Cloudy
1 PM
30°
Sunny
2 PM
31°
Sunny
3 PM
32°
Sunny
4 PM
32°
Sunny
5 PM
31°
Sunny
6 PM
28°
Thundery outbreaks in nearby
7 PM
27°
Partly Cloudy
8 PM
27°
Thundery outbreaks in nearby
9 PM
25°
Thundery outbreaks in nearby
10 PM
25°
Clear
11 PM
24°
Clear
3-Day Forecast
Daily overview for Duncan, Oklahoma
Today
Overcast
33°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 36.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 07:03 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
28°
/
20°
🌧️ 64% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 40 km/h
🌧️ Total precip: 3.44 mm
☀️ UV Index: 1.8
🌅 Sunrise: 07:02 AM
🌇 Sunset: 08:03 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
24°
/
19°
🌧️ 80% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 39.6 km/h
🌧️ Total precip: 3.41 mm
☀️ UV Index: 1.8
🌅 Sunrise: 07:00 AM
🌇 Sunset: 08:04 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Duncan
Plan your trip to Duncan, 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 Duncan?
Current conditions in Duncan: Overcast, temperature 20°C, humidity 94%.
What is the best time to visit Duncan?
The best time to visit Duncan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Duncan?
Duncan is located at approximately 34.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Duncan?
The wettest period in Duncan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Duncan?
For visits to Duncan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Duncan in?
Duncan is located in United States, in the state of Oklahoma.
What are the public holidays in Duncan in 2026?
View the 2026 public holidays for Duncan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Duncan?
The weather forecast for Duncan uses coordinates 34.5023, -97.9578.