New York, NY 85° Los Angeles, CA 82° Chicago, IL 75° 🌤️ Houston, TX 🌤️ Miami, FL Phoenix, AZ 100° 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveSouth CarolinaDuncan

Duncan, SC Weather (29334)

Current WeatherDuncan · 3:43 PM EDT
99° | 72°
99°F
Feels like 104°
Partly cloudy
WindW 3 mph · Gusts 3 mph
Precip36% · 0.02 in
Humidity36% · Dew point 67°
UV index9 Very high
Air Quality86 Moderate
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:48 AM · 8:17 PM · 13h 29m

Weather map — Duncan

Full radar →
Now
99°
2%
3 mph
16:00
99°
2%
3 mph
17:00
99°
1%
4 mph
18:00
97°
9%
4 mph
19:00
91°
18%
8 mph
20:00
80°
25%
10 mph
21:00
79°
16%
5 mph
22:00
79°
18%
3 mph
23:00
78°
9%
3 mph
00:00
78°
20%
3 mph
01:00
76°
0.02 in
4 mph
02:00
76°
35%
4 mph
03:00
75°
13%
4 mph
04:00
75°
14%
2 mph
05:00
74°
14%
3 mph
06:00
74°
15%
4 mph
07:00
74°
15%
3 mph
08:00
77°
13%
2 mph
09:00
81°
8%
2 mph
10:00
86°
4%
3 mph
11:00
91°
2%
3 mph
12:00
95°
2%
4 mph
13:00
98°
1%
5 mph
14:00
100°
1%
5 mph

Today · Sat 8/15

High 99°
36% / 0.02 in

Sunny. Winds NW at 10 mph.

Tonight · Sat 8/15

Low 74°
16% / –

Partly cloudy. Winds NW at 5 mph.

Tomorrow · Sun 8/16

101° | 74°
57% / 0.07 in

Sunny. Winds NW at 15 mph.

7-day trend

Duncan · temperature + precipitation

10-day forecast

Updated 3:43 PM

Details & indices

Wind
3 mph W
Gusts 3 mph
Humidity
36%
Dew point 67°
Pressure
30.09 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 86 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Duncan

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
None

Sun & moon

Sunrise6:48 AM
Sunset8:17 PM
Length of day13h 29m
Moonrise9:54 AM
Moonset9:53 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 · Saturday, August 15
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: 3:43 PM
Weather in Duncan
Over the next 10 days Duncan tops out around 103° (Monday) and dips to 68° on the coolest night (Monday). Roughly 2.0 in of rain falls over the period, with Friday the most likely wet day (79%). Hold onto the patio furniture Sunday: gusts could hit 30 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Duncan is running about 22° warmer than 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: 3:43 PM