Live Weather & Forecast
Weather in Duncan
South Carolina, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Clear
Duncan, South Carolina
🌙 Nighttime
Updated: 2026-04-13 04:15
Humidity
60%
Wind
7.9 km/h WSW
Wind Gust
16.6 km/h
Pressure
1026 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
11°C
Wind Degree
237°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
163.9 μg/m³
NO₂
6.2 μg/m³
O₃
70 μg/m³
SO₂
2.4 μg/m³
PM 2.5
7 μg/m³
PM 10
7.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Duncan, South Carolina
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
18°
Clear
3 AM
17°
Clear
4 AM
18°
Clear
5 AM
15°
Clear
6 AM
14°
Clear
7 AM
15°
Sunny
8 AM
17°
Sunny
9 AM
18°
Sunny
10 AM
21°
Sunny
11 AM
24°
Sunny
12 PM
26°
Sunny
1 PM
27°
Sunny
2 PM
28°
Sunny
3 PM
27°
Sunny
4 PM
26°
Overcast
5 PM
26°
Overcast
6 PM
25°
Overcast
7 PM
24°
Cloudy
8 PM
23°
Overcast
9 PM
22°
Overcast
10 PM
21°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Duncan, South Carolina
Today
Sunny
29°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 19.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:59 AM
🌇 Sunset: 07:59 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
27°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:58 AM
🌇 Sunset: 08:00 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
31°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:56 AM
🌇 Sunset: 08:01 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: Clear, temperature 18°C, humidity 60%.
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 34.9° 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 South Carolina.
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 34.9379, -82.1451.