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Current weather in South Union is few clouds.

Where can I find the hourly weather forecast for South Union?

This page shows hourly weather forecast for South Union, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for South Union updated regularly?

Weather data for South Union is updated regularly with the latest available observations and forecasts.

Now · 6:52 PM

South Union Weather & Hourly Forecast

United States · South Carolina · 29693

85°F

Mostly sunny

Feels like: 92°F

💧 Humidity 67% 🌡 Pressure 29.91 inHg 💨 Wind 2 mph 👁 Visibility 21.5 mi ☁ Clouds 27% ☀️ UV index 1.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for South Union

Today

7:00 PM

Mostly sunny

85° 💧 None 💨 2 mph H 67%29.91 inHg

10:00 PM

Clear night

79° 💧 0.000 in 💨 0 mph H 79%30.00 inHg

Tomorrow

1:00 AM

Clear night

76° 💧 None 💨 4 mph H 87%30.00 inHg

4:00 AM

Clear night

73° 💧 None 💨 3 mph H 88%30.00 inHg

7:00 AM

Clear night

71° 💧 None 💨 3 mph H 89%30.03 inHg

10:00 AM

Sunny

81° 💧 None 💨 1 mph H 75%30.09 inHg

1:00 PM

Sunny

88° 💧 None 💨 2 mph H 53%30.06 inHg

4:00 PM

Sunny

90° 💧 0.001 in 💨 4 mph H 48%30.00 inHg

7:00 PM

Sunny

87° 💧 None 💨 2 mph H 64%30.03 inHg

10:00 PM

Clear night

79° 💧 None 💨 4 mph H 79%30.06 inHg

Tuesday

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 80%30.09 inHg

4:00 AM

Clear night

76° 💧 None 💨 8 mph H 73%30.12 inHg

7:00 AM

Partly cloudy night

75° 💧 0.000 in 💨 9 mph H 80%30.18 inHg

10:00 AM

Overcast

76° 💧 None 💨 11 mph H 71%30.27 inHg

1:00 PM

Overcast

79° 💧 None 💨 9 mph H 65%30.27 inHg

4:00 PM

Partly cloudy

84° 💧 None 💨 7 mph H 57%30.21 inHg

Today

7:00 PM

Mostly sunny

85° 💧 None 💨 2 mph H 67%29.91 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 3 mph H 73%29.94 inHg

9:00 PM

Clear night

80° 💧 None 💨 2 mph H 75%29.97 inHg

10:00 PM

Clear night

79° 💧 None 💨 0 mph H 79%30.00 inHg

11:00 PM

Clear night

78° 💧 None 💨 2 mph H 83%30.00 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 0.000 in 💨 4 mph H 87%30.03 inHg

1:00 AM

Clear night

76° 💧 None 💨 4 mph H 87%30.00 inHg

2:00 AM

Clear night

75° 💧 None 💨 3 mph H 87%30.00 inHg

3:00 AM

Clear night

74° 💧 None 💨 2 mph H 88%30.00 inHg

4:00 AM

Clear night

73° 💧 None 💨 3 mph H 88%30.00 inHg

5:00 AM

Clear night

72° 💧 None 💨 4 mph H 87%30.00 inHg

6:00 AM

Clear night

71° 💧 None 💨 4 mph H 88%30.03 inHg

7:00 AM

Clear night

71° 💧 None 💨 3 mph H 89%30.03 inHg

8:00 AM

Sunny

73° 💧 None 💨 3 mph H 86%30.06 inHg

9:00 AM

Sunny

77° 💧 None 💨 2 mph H 82%30.09 inHg

10:00 AM

Sunny

81° 💧 None 💨 1 mph H 75%30.09 inHg

11:00 AM

Sunny

84° 💧 None 💨 2 mph H 65%30.09 inHg

12:00 PM

Sunny

87° 💧 None 💨 2 mph H 58%30.09 inHg

1:00 PM

Sunny

88° 💧 None 💨 2 mph H 53%30.06 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 3 mph H 51%30.06 inHg

3:00 PM

Sunny

90° 💧 None 💨 3 mph H 50%30.03 inHg

4:00 PM

Sunny

90° 💧 0.001 in 💨 4 mph H 48%30.00 inHg

5:00 PM

Mostly sunny

90° 💧 None 💨 3 mph H 48%30.00 inHg

6:00 PM

Mostly sunny

90° 💧 None 💨 3 mph H 49%30.00 inHg

7:00 PM

Sunny

87° 💧 None 💨 2 mph H 64%30.03 inHg

8:00 PM

Clear night

83° 💧 None 💨 2 mph H 69%30.03 inHg

9:00 PM

Clear night

81° 💧 None 💨 3 mph H 75%30.03 inHg

10:00 PM

Clear night

79° 💧 None 💨 4 mph H 79%30.06 inHg

11:00 PM

Clear night

79° 💧 None 💨 4 mph H 81%30.09 inHg

Tuesday

12:00 AM

Clear night

78° 💧 None 💨 5 mph H 82%30.09 inHg

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 80%30.09 inHg

2:00 AM

Clear night

77° 💧 None 💨 5 mph H 79%30.09 inHg

3:00 AM

Clear night

76° 💧 None 💨 7 mph H 76%30.09 inHg

4:00 AM

Clear night

76° 💧 None 💨 8 mph H 73%30.12 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 9 mph H 74%30.15 inHg

6:00 AM

Partly cloudy night

75° 💧 None 💨 9 mph H 78%30.18 inHg

7:00 AM

Partly cloudy night

75° 💧 None 💨 9 mph H 80%30.18 inHg

8:00 AM

Partly cloudy

75° 💧 0.000 in 💨 10 mph H 80%30.21 inHg

9:00 AM

Overcast

76° 💧 None 💨 11 mph H 74%30.24 inHg

10:00 AM

Overcast

76° 💧 None 💨 11 mph H 71%30.27 inHg

11:00 AM

Overcast

76° 💧 None 💨 11 mph H 70%30.27 inHg

12:00 PM

Overcast

77° 💧 None 💨 10 mph H 67%30.30 inHg

1:00 PM

Overcast

79° 💧 None 💨 9 mph H 65%30.27 inHg

2:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 62%30.27 inHg

3:00 PM

Mostly cloudy

84° 💧 None 💨 7 mph H 59%30.24 inHg

4:00 PM

Partly cloudy

84° 💧 None 💨 7 mph H 57%30.21 inHg

5:00 PM

Partly cloudy

85° 💧 None 💨 7 mph H 56%30.21 inHg

6:00 PM

Sunny

84° 💧 None 💨 6 mph H 56%30.18 inHg

7:00 PM

Sunny

83° 💧 None 💨 2 mph H 63%30.18 inHg

8:00 PM

Clear night

80° 💧 None 💨 2 mph H 69%30.21 inHg

9:00 PM

Clear night

78° 💧 None 💨 3 mph H 74%30.24 inHg

10:00 PM

Clear night

76° 💧 None 💨 4 mph H 78%30.24 inHg

11:00 PM

Clear night

75° 💧 None 💨 4 mph H 80%30.24 inHg

Wednesday

12:00 AM

Clear night

74° 💧 None 💨 3 mph H 83%30.27 inHg

1:00 AM

Clear night

74° 💧 None 💨 4 mph H 85%30.24 inHg

2:00 AM

Clear night

73° 💧 None 💨 4 mph H 84%30.24 inHg

3:00 AM

Clear night

72° 💧 None 💨 4 mph H 85%30.24 inHg

4:00 AM

Clear night

71° 💧 None 💨 4 mph H 86%30.24 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 4 mph H 87%30.27 inHg

6:00 AM

Clear night

70° 💧 None 💨 5 mph H 85%30.27 inHg

7:00 AM

Clear night

69° 💧 None 💨 5 mph H 84%30.30 inHg

8:00 AM

Sunny

70° 💧 None 💨 6 mph H 81%30.33 inHg

11:00 AM

Sunny

77° 💧 None 💨 5 mph H 71%30.36 inHg

2:00 PM

Sunny

82° 💧 None 💨 3 mph H 60%30.30 inHg

5:00 PM

Sunny

85° 💧 None 💨 4 mph H 56%30.21 inHg

8:00 PM

Clear night

79° 💧 None 💨 3 mph H 75%30.21 inHg

11:00 PM

Clear night

76° 💧 None 💨 1 mph H 87%30.27 inHg

Thursday

2:00 AM

Clear night

74° 💧 None 💨 4 mph H 85%30.27 inHg

5:00 AM

Clear night

71° 💧 None 💨 3 mph H 79%30.27 inHg

8:00 AM

Sunny

70° 💧 None 💨 3 mph H 81%30.30 inHg

11:00 AM

Sunny

77° 💧 None 💨 3 mph H 63%30.33 inHg

2:00 PM

Sunny

82° 💧 None 💨 3 mph H 54%30.24 inHg

5:00 PM

Sunny

85° 💧 None 💨 3 mph H 51%30.15 inHg

8:00 PM

Clear night

78° 💧 None 💨 1 mph H 77%30.15 inHg

11:00 PM

Clear night

76° 💧 None 💨 3 mph H 79%30.18 inHg

Friday

2:00 AM

Clear night

73° 💧 None 💨 2 mph H 76%30.18 inHg

5:00 AM

Clear night

71° 💧 None 💨 0 mph H 89%30.15 inHg

8:00 AM

Mostly sunny

71° 💧 None 💨 3 mph H 99%30.18 inHg

11:00 AM

Sunny

82° 💧 None 💨 3 mph H 48%30.15 inHg

2:00 PM

Sunny

88° 💧 None 💨 2 mph H 50%30.09 inHg

5:00 PM

Sunny

89° 💧 None 💨 4 mph H 48%30.00 inHg

8:00 PM

Clear night

83° 💧 None 💨 1 mph H 65%30.03 inHg

11:00 PM

Clear night

78° 💧 None 💨 4 mph H 81%30.06 inHg

Saturday

2:00 AM

Clear night

74° 💧 None 💨 2 mph H 93%30.03 inHg

5:00 AM

Clear night

73° 💧 None 💨 2 mph H 94%30.03 inHg

8:00 AM

Sunny

74° 💧 None 💨 1 mph H 96%30.03 inHg

2:00 PM

Sunny

89° 💧 None 💨 3 mph H 49%29.97 inHg

8:00 PM

Clear night

82° 💧 None 💨 4 mph H 66%29.94 inHg

Sunday

2:00 AM

Clear night

77° 💧 None 💨 4 mph H 86%29.97 inHg

8:00 AM

Sunny

74° 💧 None 💨 0 mph H 85%30.03 inHg

2:00 PM

Sunny

89° 💧 None 💨 3 mph H 47%30.00 inHg

8:00 PM

Partly cloudy night

83° 💧 None 💨 10 mph H 63%29.97 inHg

Monday

2:00 AM

Clear night

77° 💧 None 💨 1 mph H 84%30.06 inHg

8:00 AM

Sunny

75° 💧 None 💨 2 mph H 85%30.12 inHg

2:00 PM

Sunny

89° 💧 None 💨 4 mph H 51%30.09 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 1 mph H 66%30.03 inHg

Tuesday

2:00 AM

Mostly clear night

78° 💧 None 💨 2 mph H 77%30.12 inHg

8:00 AM

Sunny

76° 💧 None 💨 3 mph H 88%30.12 inHg

2:00 PM

Sunny

89° 💧 None 💨 3 mph H 53%30.09 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 4 mph H 62%30.00 inHg

Wednesday

2:00 AM

Clear night

79° 💧 None 💨 2 mph H 86%30.03 inHg

8:00 AM

Sunny

77° 💧 None 💨 2 mph H 89%30.06 inHg

2:00 PM

Mostly sunny

93° 💧 None 💨 1 mph H 45%30.00 inHg

8:00 PM

Partly cloudy night

83° 💧 None 💨 10 mph H 65%30.00 inHg

Thursday

2:00 AM

Mostly cloudy night

75° 💧 None 💨 9 mph H 91%30.09 inHg

8:00 AM

Light rain

71° 💧 None 💨 15 mph H 95%30.18 inHg

2:00 PM

Overcast

74° 💧 None 💨 13 mph H 66%30.21 inHg

8:00 PM

Overcast night

72° 💧 None 💨 12 mph H 62%30.21 inHg

Friday

2:00 AM

Mostly clear night

69° 💧 None 💨 12 mph H 66%30.24 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 12 mph H 72%30.30 inHg

2:00 PM

Overcast

74° 💧 None 💨 11 mph H 52%30.27 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 10 mph H 54%30.21 inHg

Saturday

2:00 AM

Overcast night

68° 💧 None 💨 10 mph H 58%30.24 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 8 mph H 67%30.27 inHg

2:00 PM

Mostly sunny

78° 💧 None 💨 5 mph H 48%30.21 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 60%30.12 inHg

Sunday

2:00 AM

Mostly clear night

66° 💧 None 💨 3 mph H 82%30.15 inHg

8:00 AM

Overcast

65° 💧 None 💨 3 mph H 82%30.15 inHg

2:00 PM

Light rain

75° 💧 None 💨 3 mph H 62%30.06 inHg

8:00 PM

Light rain

67° 💧 None 💨 4 mph H 98%30.03 inHg

Monday

2:00 AM

Light rain

68° 💧 None 💨 2 mph H 96%30.00 inHg

8:00 AM

Overcast

67° 💧 None 💨 4 mph H 99%29.97 inHg

In South Union and, more broadly, across the state of South Carolina: The evening will be mostly sunny with a few clouds drifting through. Temperatures will stay warm, ranging from 84 to 89 degrees Fahrenheit. Winds will be light, coming from the northwest at around 3 mph, with gusts reaching the same speed. No rain is expected during this time, so it should remain dry through the night. Conditions will be calm, making for a warm and pleasant evening.

15-Day Weather Outlook for South Union

TomorrowTomorrow

Mostly sunny 90°/71° 💧 None 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 85°/75° 💧 None 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 85°/69° 💧 0.004 in 💨 6 mph

Thursday, Sep 17Thu Sep 17

Sunny 85°/70° 💧 None 💨 4 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 89°/71° 💧 0.003 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Sunny 89°/73° 💧 0.007 in 💨 4 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 89°/74° 💧 0.002 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 89°/75° 💧 0.005 in 💨 4 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 89°/76° 💧 0.001 in 💨 4 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 93°/77° 💧 0.016 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Light rain 75°/71° 💧 0.127 in 💨 15 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 74°/65° 💧 None 💨 12 mph

Saturday, Sep 26Sat Sep 26

Overcast 78°/65° 💧 None 💨 10 mph

Sunday, Sep 27Sun Sep 27

Light rain 75°/65° 💧 0.348 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Light rain 68°/67° 💧 0.264 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in South Union

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for South Union

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 5,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 73,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in South Union

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 8,3Very high 🙂Fair

Tomorrow UV 8,4Very high 🙂Fair

Tuesday UV 8,1Very high 🙂Fair

Wednesday UV 7,8High 😐Moderate

Thursday UV 8,0Very high 😐Moderate

Friday UV 8,0Very high —Unavailable

Saturday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 PMUV 0,2

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for South Union

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SOUTH UNION, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:07 PM–5:49 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for South Union were last refreshed today at 6:52 PM. The current forecast period extends through 15/09/2026 at 4:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.