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DeKalb, SC Weather Forecast
DeKalb, SC Weather Forecast Dated: 1233 AM Thu Sep 17 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
85°F 30°C
Sunny
Very hot with temperatures reaching 91°F 33°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
77°F 25°C
Cloudy
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
83°F 28°C
Scattered Showers
Hot and sweltering around 91°F 33°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
88°F 31°C
Scattered Showers
Early-Evening
81°F 27°C
Scattered Showers
Very warm near 88°F 31°C, though humidity makes it feel like 93°F 34°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
92°F 34°C
Partly Cloudy
Early-Evening
84°F 29°C
Overcast
Sizzling hot near 92°F 34°C with a heat index reaching 96°F 36°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
80°F 27°C
Overcast
Hot and sweltering around 91°F 33°C (heat index 94°F 35°C), overcast throughout the day, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
70°F 21°C
Overcast
Pleasant near 70°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the NE at 11 mph 18 km/h. Gusts up to 23 mph 38 km/h.
Wednesday, September 23, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
71°F 22°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 11 mph 17 km/h. Gusts up to 25 mph 40 km/h.
Thursday, September 24, 2026
Mid-Morning
69°F 20°C
Partly Cloudy
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
81°F 27°C
Sunny
Quite warm around 85°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NNE to the NE at 8 mph 14 km/h.
Friday, September 25, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
80°F 26°C
Sunny
Warm temperatures up to 85°F 30°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the NE to the E at 7 mph 12 km/h.
Saturday, September 26, 2026
Mid-Morning
71°F 22°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
74°F 24°C
Overcast
Very warm with a high of 82°F 28°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the NE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Sunday, September 27, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
66°F 19°C
Overcast
Pleasant near 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure. Winds NE at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 28, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
63°F 17°C
Light Showers
Cool with a high near 64°F 18°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and barometric pressure falling. Winds out of the NE at 24 mph 39 km/h. Gusts up to 48 mph 77 km/h.
Tuesday, September 29, 2026
Mid-Morning
67°F 19°C
Heavy Rain Showers
Mid-Afternoon
69°F 21°C
Heavy Rain
Early-Evening
69°F 21°C
Light Showers
Enjoyable around 69°F 21°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds tapering down from NE 20 mph 33 km/h to E 10 mph 15 km/h.
Wednesday, September 30, 2026
Mid-Morning
65°F 19°C
Light Fog
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
69°F 21°C
Light Fog
Mild temperatures up to 68°F 20°C, scattered downpours possible, with steady humidity and steady pressure.
DeKalb, SC Weather Radar Map
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