UNION, SC 29379 Weather Forecast & Current Conditions

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GREENVILLE-SPART., SC
Current Weather

10:53 PM EDT JUN 8, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 72°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: WSW at 3 mph
Pressure: 30.19 inches
Last 72 hours

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UNION, SC 29379
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds around 5 mph this evening, becoming light and variable. Chance of rain 20 percent.
TUESDAY
Showers likely with a chance of thunderstorms. Humid with highs in the lower 80s. Light and variable winds, becoming south around 5 mph in the afternoon. Chance of rain 70 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Southwest winds around 5 mph in the evening, becoming light and variable.
WEDNESDAY
Partly sunny in the morning, then becoming mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable.
THURSDAY
Mostly sunny. Highs in the lower 90s.
THURSDAY NIGHT
Mostly clear. Lows in the lower 70s.
FRIDAY
Sunny. Highs in the mid 90s. Heat index values up to 100.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 70s.
SATURDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.
SUNDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.

Visible Weather Satellite
UNION, SC 29379
Infrared Weather Satellite
UNION, SC 29379
NEXRAD Weather Radar
UNION, SC 29379

GREENVILLE-SPART., SC 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/ 8/2026
Monday
8 JUN 2026
UNION, SC 29379 weather forecast Day 1, 12 hours 2 PM 85° 87° Mostly Cloudy 20%
RAIN
.01–.1 in
0% Thunder
( 59% severe)
SSW   5 53% 66°
High 86° UNION, SC 29379 weather forecast Day 1, 15 hours 5 PM 84° 87° Mostly Cloudy SSW   6 57% 67°
Mostly Cloudy

Chance of Rain

UNION, SC 29379 weather forecast Day 1, 18 hours 8 PM 79° 81° Mostly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 32% severe)
SW   7 69% 68°
UNION, SC 29379 weather forecast Day 1, 21 hours 11 PM 73° 73° Mostly Cloudy W   5 90% 70°
Tuesday
9 JUN 2026
UNION, SC 29379 weather forecast Day 2, 0 hours 2 AM 72° 72° Mostly Cloudy 39%
RAIN
.1–.25 in
0% Thunder
( 18% severe)
  CALM 90% 69°
Low 69° UNION, SC 29379 weather forecast Day 2, 3 hours 5 AM 71° 71° Mostly Cloudy   CALM 90% 68°
High 79° UNION, SC 29379 weather forecast Day 2, 6 hours 8 AM 70° 70° Mostly Cloudy 65%
RAIN
***
0% Thunder
( 25% severe)
E   2 97% 69°

Mostly Cloudy

Rain Likely

UNION, SC 29379 weather forecast Day 2, 9 hours 11 AM 74° 74° Mostly Cloudy S   5 82% 68°
UNION, SC 29379 weather forecast Day 2, 12 hours 2 PM 76° 77° Mostly Cloudy 46%
RAIN
***
0% Thunder
( 46% severe)
SSW   7 76% 68°
UNION, SC 29379 weather forecast Day 2, 15 hours 5 PM 78° 80° Mostly Cloudy S   7 71% 68°
UNION, SC 29379 weather forecast Day 2, 18 hours 8 PM 75° 75° Mostly Cloudy 6%

0% Thunder
( 22% severe)
SW   7 76% 67°
UNION, SC 29379 weather forecast Day 2, 21 hours 11 PM 70° 70° Partly Cloudy WSW   5 93% 68°
Wednesday
10 JUN 2026
UNION, SC 29379 weather forecast Day 3, 0 hours 2 AM 69° 69° Mostly Cloudy 2%

0% Thunder
( 12% severe)
SW   3 97% 68°
Low 67° UNION, SC 29379 weather forecast Day 3, 3 hours 5 AM 68° 68° Mostly Cloudy SW   6 97% 67°
High 86° UNION, SC 29379 weather forecast Day 3, 6 hours 8 AM 70° 70° Partly Cloudy 6%

0% Thunder
( 18% severe)
SW   7 93% 68°

Partly Cloudy

Chance of Rain

UNION, SC 29379 weather forecast Day 3, 9 hours 11 AM 79° 81° Partly Cloudy WSW   9 69% 68°
UNION, SC 29379 weather forecast Day 3, 15 hours 2 PM 84° 87° Partly Cloudy 23%
RAIN
<.01 in
0% Thunder
( 66% severe)
SW   10 59% 68°
UNION, SC 29379 weather forecast Day 3, 18 hours 5 PM 84° 87° Partly Cloudy SW   9 59% 68°
UNION, SC 29379 weather forecast Day 3, 21 hours 8 PM 79° 82° Partly Cloudy     SW   7 72% 69°

GREENVILLE-SPART., SC extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 70° Low 69° Low 71° Low 67° Low 68°
High 91° High 94° High 91° High 86° High 84°
UNION, SC 29379 weather forecast Day 4 UNION, SC 29379 weather forecast Day 5 UNION, SC 29379 weather forecast Day 6 UNION, SC 29379 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
41% Rain
Mostly Cloudy
41% Rain
Mostly Cloudy
52% Rain
Mostly Cloudy
49% Rain
Mostly Cloudy
43% Rain
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