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Town of Duncan, SCDuncan, SC 14 Day Weather - 29334 WeatherWorld.com
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Duncan, SC Weather Forecast
Duncan, SC Weather Forecast Dated: 149 PM Fri Sep 18 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Friday, September 18, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
77°F 25°C
Light Showers
Very hot with temperatures reaching 97°F 36°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
87°F 31°C
Scattered Showers
Early-Evening
80°F 26°C
Sunny
Quite warm reaching 87°F 31°C, feeling like 90°F 32°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
70°F 21°C
Cloudy
Mid-Afternoon
83°F 29°C
Scattered Showers
Early-Evening
81°F 27°C
Cloudy
Very warm near 83°F 29°C, though humidity makes it feel like 86°F 30°C, locally heavy downpours at times, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
89°F 31°C
Overcast
Early-Evening
81°F 27°C
Overcast
Warm temperatures up to 89°F 31°C, overcast throughout the day, with lower humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
68°F 20°C
Cloudy
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
77°F 25°C
Heavy Rain Showers
Very warm with a high of 85°F 29°C, mainly dry until evening showers arrive, with steady humidity and steady pressure. A stray shower or storm late in the day.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
75°F 24°C
Cloudy
Early-Evening
68°F 20°C
Sunny
Pleasant near 75°F 24°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds out of the ENE at 10 mph 17 km/h.
Thursday, September 24, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
75°F 24°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, overcast throughout the day, with lower humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
78°F 25°C
Light Showers
Early-Evening
74°F 23°C
Scattered Showers
Enjoyable around 78°F 25°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
70°F 21°C
Sunny
Mild temperatures up to 75°F 24°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
69°F 21°C
Overcast
Pleasant near 73°F 23°C, overcast throughout the day, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Comfortable with temperatures reaching 68°F 20°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds switching from the NNE to the NE at 9 mph 13 km/h. Gusts up to 25 mph 39 km/h.
Wednesday, September 30, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
67°F 19°C
Light Showers
Early-Evening
66°F 19°C
Scattered Showers
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds NE at 10 mph 15 km/h. Gusts up to 22 mph 36 km/h.
Thursday, October 1, 2026
Mid-Morning
66°F 19°C
Light Fog
Mid-Afternoon
68°F 20°C
Light Fog
Early-Evening
70°F 21°C
Fog
Mild temperatures up to 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure.
Duncan, SC Weather Radar Map
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