10-day forecast for Duncan, SC: 66° to 99°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Tuesday, August 11
95° · 0.6 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 72°0.02
Morning75°feels 76°
Afternoon88°feels 87°
Evening77°feels 77°
Overnight74°feels 75°
91 °
Duncan, Sunday, 9 August
Light rain. High 91°, low 72°.
Pressure30.09 inHg
Wind5.5 mph SW
Humidity45%
Visibility6.2 mi
Dew point66°
Mon, 1097° / 70°0.14
Morning75°feels 76°
Afternoon90°feels 88°
Evening73°feels 74°
Overnight73°feels 74°
97 °
Duncan, Monday, 10 August
Rain. High 97°, low 70°.
Pressure30.09 inHg
Wind7.7 mph W
Humidity39%
Visibility6.2 mi
Dew point64°
Tue, 1196° / 70°0.02
Morning73°feels 74°
Afternoon96°feels 98°
Evening84°feels 86°
Overnight71°feels 72°
96 °
Duncan, Tuesday, 11 August
Light rain. High 96°, low 70°.
Pressure30.03 inHg
Wind4.1 mph W
Humidity40%
Visibility6.2 mi
Dew point65°
Wed, 1299° / 72°0.12
Morning76°feels 76°
Afternoon99°feels 101°
Evening76°feels 77°
Overnight75°feels 75°
99 °
Duncan, Wednesday, 12 August
Light rain. High 99°, low 72°.
Pressure29.91 inHg
Wind9.3 mph W
Humidity40%
Visibility6.2 mi
Dew point66°
Thu, 1395° / 70°0.07
Morning78°feels 79°
Afternoon93°feels 95°
Evening82°feels 84°
Overnight76°feels 77°
95 °
Duncan, Thursday, 13 August
Light rain. High 95°, low 70°.
Pressure29.91 inHg
Wind7.7 mph NW
Humidity37%
Visibility—
Dew point62°
Fri, 1483° / 72°0.26
Morning75°feels 76°
Afternoon74°feels 76°
Evening74°feels 76°
Overnight73°feels 75°
83 °
Duncan, Friday, 14 August
Rain. High 83°, low 72°.
Pressure30.09 inHg
Wind5.9 mph N
Humidity86%
Visibility—
Dew point70°
Sat, 1574° / 69°0.15
Morning72°feels 73°
Afternoon74°feels 74°
Evening72°feels 73°
Overnight69°feels 70°
74 °
Duncan, Saturday, 15 August
Light rain. High 74°, low 69°.
Pressure30.21 inHg
Wind9.8 mph NE
Humidity76%
Visibility—
Dew point65°
Sun, 1687° / 66°0.02
Morning74°feels 74°
Afternoon85°feels 85°
Evening75°feels 76°
Overnight71°feels 71°
87 °
Duncan, Sunday, 16 August
Light rain. High 87°, low 66°.
Pressure30.15 inHg
Wind5.3 mph SW
Humidity44%
Visibility—
Dew point60°
Mon, 1795° / 69°0.6
Morning75°feels 78°
Afternoon86°feels 93°
Evening74°feels 75°
Overnight71°feels 72°
95 °
Duncan, Monday, 17 August
Rain. High 95°, low 69°.
Pressure30.03 inHg
Wind9.4 mph SW
Humidity58%
Visibility—
Dew point70°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Duncan, SC around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.