New York, NY 71° Los Angeles, CA 76° 🌤️ Chicago, IL 🌤️ Houston, TX Miami, FL 85° 🌤️ Phoenix, AZ Seattle, WA 68° 🌤️ Denver, CO 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveSouth CarolinaDuncan

Duncan, SC Weather (29334)

Current WeatherDuncan · 1:24 AM EDT
83° | 51°
82°F
Feels like 87°
Sunny
WindS 22 mph · Gusts 24 mph
Precip17% · –
Humidity70% · Dew point 71°
UV index9 Very high
Air Quality41 Good
Pressure30.33 inHg
Visibility6 mi
Sunrise / Sunset6:50 AM · 8:14 PM · 13h 24m

Weather map — Duncan

Full radar →
Now
82°
6%
22 mph
02:00
81°
6%
21 mph
03:00
80°
6%
20 mph
04:00
78°
9%
19 mph
05:00
78°
8%
19 mph
06:00
76°
8%
19 mph
07:00
75°
8%
19 mph
08:00
51°
14%
21 mph
09:00
51°
9%
21 mph
10:00
52°
5%
20 mph
11:00
51°
15%
20 mph
12:00
51°
6%
20 mph
13:00
51°
5%
20 mph
14:00
51°
5%
18 mph
15:00
51°
17%
17 mph
16:00
51°
8%
18 mph
17:00
51°
14%
17 mph
18:00
51°
18%
17 mph
19:00
51°
6%
16 mph
20:00
51°
7%
16 mph
21:00
51°
18%
15 mph
22:00
51°
6%
13 mph
23:00
51°
11%
14 mph
00:00
51°
7%
12 mph

Today · Mon 8/17

High 83°
17% / –

Sunny. Winds S at 22 mph.

Overnight · Mon 8/17

Low 51°
6% / –

Sunny. Winds SE at 21 mph.

Tomorrow · Tue 8/18

52° | 51°
13% / –

Mostly cloudy. Winds SE at 12 mph.

7-day trend

Duncan · temperature + precipitation

10-day forecast

Updated 1:24 AM

Details & indices

Wind
22 mph S
Gusts 24 mph
Humidity
70%
Dew point 71°
Pressure
30.33 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 41 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Duncan

🌿 Conditions right now

View all →
Birch
None
Grass
Very high
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Low

Sun & moon

Sunrise6:50 AM
Sunset8:14 PM
Length of day13h 24m
Moonrise12:00 PM
Moonset10:48 PM
Next full moonAug 28 Sturgeon Moon
Latitude34.9379°N
Longitude-82.1451°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Columbia
Data sources · Monday, August 17
Where the Duncan forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 34.9379°N, -82.1451°.
NBM + global weather models
Updated: 1:24 AM
Weather in Duncan
Over the next 10 days Duncan tops out around 83° (Monday) and dips to 51° on the coolest night (Tuesday). Roughly 0.26 in of rain falls over the period, with Tuesday the most likely wet day (79%). Hold onto the patio furniture Tuesday: gusts could hit 43 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Duncan is about 14° cooler than nearby Atlanta. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Duncan, SC · Elev 866 ft · 34.94°N, 82.15°W · South Carolina · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:24 AM