UNION, SC 29379 Weather Forecast & Current Conditions

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GREENVILLE-SPART., SC
Current Weather

4:53 PM EDT MAY 16, 2026
Clear
82°F
Feels Like: 81°F
Dewpoint: 48°F
Rel. Hum.: 31%
Visibility: 10 miles
Wind:
Pressure: 30.12 inches
Last 72 hours

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UNION, SC 29379
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening, then becoming mostly cloudy. Lows in the lower 60s. Southwest winds around 5 mph this evening, becoming light and variable.
SUNDAY
Mostly cloudy in the morning, then clearing. Highs in the upper 80s. South winds around 5 mph.
SUNDAY NIGHT
Mostly clear. Lows in the mid 60s. South winds around 5 mph.
MONDAY
Sunny. Highs around 90. Light and variable winds, becoming south around 5 mph in the afternoon.
MONDAY NIGHT
Mostly clear. Lows in the lower 60s. South winds around 5 mph.
TUESDAY
Sunny. Highs around 90.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
WEDNESDAY
Mostly sunny. Highs in the lower 90s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 60s.
THURSDAY
Mostly sunny in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent.
THURSDAY NIGHT
A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80 percent.
FRIDAY
Showers likely. Highs in the upper 70s. Chance of rain 70 percent.
FRIDAY NIGHT
Showers likely. Lows around 60. Chance of rain 70 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  5/16/2026
Saturday
16 MAY 2026
UNION, SC 29379 weather forecast Day 1, 12 hours 2 PM 81° 80° Partly Cloudy 1%

0% Thunder
( 9% severe)
SSW   10 35% 51°
High 84° UNION, SC 29379 weather forecast Day 1, 15 hours 5 PM 83° 82° Partly Cloudy SSW   9 34% 52°
Mostly Cloudy



UNION, SC 29379 weather forecast Day 1, 18 hours 8 PM 76° 78° Mostly Cloudy 1%

0% Thunder
( 5% severe)
S   6 46% 54°
UNION, SC 29379 weather forecast Day 1, 21 hours 11 PM 68° 68° Mostly Cloudy SW   3 61% 54°
Sunday
17 MAY 2026
UNION, SC 29379 weather forecast Day 2, 0 hours 2 AM 66° 66° Mostly Cloudy 2%

0% Thunder
( 4% severe)
  CALM 68% 55°
Low 62° UNION, SC 29379 weather forecast Day 2, 3 hours 5 AM 64° 65° Mostly Cloudy SSW   3 81% 58°
High 87° UNION, SC 29379 weather forecast Day 2, 6 hours 8 AM 66° 66° Mostly Cloudy 2%

0% Thunder
( 3% severe)
SW   2 84% 61°

Decreasing Clouds



UNION, SC 29379 weather forecast Day 2, 9 hours 11 AM 78° 80° Partly Cloudy SSW   7 60% 63°
UNION, SC 29379 weather forecast Day 2, 12 hours 2 PM 85° 86° Partly Cloudy 7%

0% Thunder
( 25% severe)
S   7 46% 62°
UNION, SC 29379 weather forecast Day 2, 15 hours 5 PM 86° 86° Clear S   7 43% 61°
UNION, SC 29379 weather forecast Day 2, 18 hours 8 PM 79° 80° Partly Cloudy 7%

0% Thunder
( 13% severe)
S   6 56% 62°
UNION, SC 29379 weather forecast Day 2, 21 hours 11 PM 70° 70° Partly Cloudy S   1 78% 63°
Monday
18 MAY 2026
UNION, SC 29379 weather forecast Day 3, 0 hours 2 AM 68° 68° Clear 1%

0% Thunder
( 6% severe)
S   3 84% 63°
Low 63° UNION, SC 29379 weather forecast Day 3, 3 hours 5 AM 66° 66° Partly Cloudy   CALM 90% 63°
High 88° UNION, SC 29379 weather forecast Day 3, 6 hours 8 AM 67° 67° Partly Cloudy 2%

0% Thunder
( 5% severe)
  CALM 90% 64°

Partly Cloudy



UNION, SC 29379 weather forecast Day 3, 9 hours 11 AM 78° 80° Partly Cloudy SSW   6 62% 64°
UNION, SC 29379 weather forecast Day 3, 15 hours 2 PM 85° 86° Clear 2%

0% Thunder
( 22% severe)
S   7 46% 62°
UNION, SC 29379 weather forecast Day 3, 18 hours 5 PM 87° 86° Clear S   8 38% 58°
UNION, SC 29379 weather forecast Day 3, 21 hours 8 PM 81° 81° Clear     S   6 46% 58°

GREENVILLE-SPART., SC extended weather forecast

Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Low 62° Low 63° Low 65° Low 64° Low 59°
High 88° High 88° High 86° High 79° High 75°
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
Clear
12% Rain
Partly Cloudy
34% Rain
Overcast
52% Rain
Overcast
59% Rain
Overcast
54% Rain
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