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WeatherLive › South Carolina › Union

Union, SC Weather (29379)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherUnion · 12:56 PM EDT
39° | 22°
32°C
Feels like 39°
Partly cloudy
WindNW 2 mph · Gusts 7 mph
Precip40% · 0.03 in
Humidity67% · Dew point 25°
UV index9 Very high
Air Quality76 Moderate
Pressure30.12 inHg
Visibility6 mi
Sunrise / Sunset6:47 AM · 8:14 PM · 13h 27m

Weather map — Union

Full radar →
Now
32°
6%
2 mph
13:00
33°
5%
2 mph
14:00
38°
1%
3 mph
15:00
39°
2%
2 mph
16:00
39°
1%
2 mph
17:00
39°
1%
2 mph
18:00
38°
1%
3 mph
19:00
36°
2%
2 mph
20:00
33°
4%
3 mph
21:00
30°
23%
4 mph
22:00
28°
0.02 in
2 mph
23:00
26°
25%
4 mph
00:00
26°
30%
2 mph
01:00
26°
0.03 in
2 mph
02:00
25°
36%
3 mph
03:00
25°
15%
1 mph
04:00
24°
15%
2 mph
05:00
24°
15%
2 mph
06:00
24°
14%
3 mph
07:00
24°
15%
3 mph
08:00
25°
13%
2 mph
09:00
27°
9%
2 mph
10:00
31°
4%
3 mph
11:00
34°
2%
2 mph

Today · Sat 8/15

High 39°
40% / 0.03 in

Sunny. Winds N at 4 mph.

Tonight · Sat 8/15

Low 24°
23% / 0.01 in

Partly cloudy. Winds NW at 4 mph.

Tomorrow · Sun 8/16

39° | 24°
57% / 0.09 in

Sunny. Winds NW at 8 mph.

7-day trend

Union · temperature + precipitation

10-day forecast

Updated 12:56 PM

Details & indices

Wind
2 mph NW
Gusts 7 mph
Humidity
67%
Dew point 25°
Pressure
30.12 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 76 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Union

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Low

Sun & moon

Sunrise6:47 AM
Sunset8:14 PM
Length of day13h 27m
Moonrise9:52 AM
Moonset9:51 PM
Moon phase🌒 Waxing Crescent · 11%
Next full moonAug 28 Sturgeon Moon
Latitude34.7154°N
Longitude-81.6237°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Columbia
—
—
Data sources · Saturday, August 15
Where the Union forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 34.7154°N, -81.6237°.
NBM + global weather models
Updated: 12:56 PM
Weather in Union
Union's outlook: warmest day near 40° (Monday), coldest night about 21° (Friday). Models drop roughly 2.5 in of precipitation across the stretch — watch Friday (81%). Expect a blustery spell — gusts near 29 mph on Wednesday. No watches or warnings are active for the area right now. Right now Union is running about 64° warmer than Atlanta. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Union, SC · Elev 643 ft · 34.72°N, 81.62°W · South Carolina · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 12:56 PM