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City of Union, SCUnion, SC 14 Day Weather - 29379 WeatherWorld.com
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Union, SC Weather Forecast
Union, SC Weather Forecast Dated: 913 AM Mon Sep 07 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Monday, September 7, 2026
Mid-Morning
71°F 22°C
Heavy Rain
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
75°F 24°C
Overcast
Warm and summery near 80°F 27°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds turning from the ENE to the NNE at 5 mph 8 km/h.
Tuesday, September 8, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
82°F 28°C
Cloudy
Balmy with temperatures reaching 86°F 30°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Sizzling hot with 91°F 33°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
93°F 34°C
Cloudy
Early-Evening
87°F 31°C
Overcast
Hot temperatures near 93°F 34°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
74°F 23°C
Cloudy
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
79°F 26°C
Light Fog
Hot and sweltering around 90°F 32°C (heat index 93°F 34°C), cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
83°F 28°C
Overcast
Very hot with a high of 91°F 33°C, feeling closer to 94°F 35°C in the humidity, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
75°F 24°C
Cloudy
Mid-Afternoon
93°F 34°C
Overcast
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 93°F 34°C with a heat index reaching 96°F 36°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
83°F 28°C
Scattered Showers
Hot and sweltering around 93°F 34°C (heat index 96°F 35°C), scattered downpours possible, with steady humidity and barometric pressure falling. Winds blowing from the SW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
78°F 26°C
Partly Cloudy
Early-Evening
73°F 23°C
Overcast
Mild temperatures up to 78°F 26°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds NNE at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild with a high of 77°F 25°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds out of the NE at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
73°F 22°C
Cloudy
Pleasant near 78°F 25°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 6 mph 10 km/h.
Friday, September 18, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Cloudy
Quite warm around 83°F 28°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Sunday, September 20, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
80°F 26°C
Overcast
Warm temperatures up to 86°F 30°C, overcast throughout the day, with lower humidity and steady pressure.
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