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WeatherLive › South Carolina › Union

Union, SC Weather (29379)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherUnion · 12:05 AM EDT
92° | 65°
71°F
Feels like 69°
Sunny
WindN 5 mph · Gusts 9 mph
Precip4% · –
Humidity54% · Dew point 53°
UV index9 Very high
Air Quality27 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:54 AM · 8:02 PM · 13h 8m

Weather map — Union

Full radar →
Now
73°
2%
4 mph
01:00
71°
2%
5 mph
02:00
69°
3%
5 mph
03:00
68°
4%
6 mph
04:00
67°
12%
6 mph
05:00
66°
16%
5 mph
06:00
65°
16%
4 mph
07:00
65°
16%
4 mph
08:00
67°
15%
5 mph
09:00
72°
12%
6 mph
10:00
75°
11%
6 mph
11:00
79°
10%
6 mph
12:00
83°
10%
5 mph
13:00
86°
4%
4 mph
14:00
91°
5%
1 mph
15:00
92°
1%
1 mph
16:00
91°
1%
2 mph
17:00
91°
1%
2 mph
18:00
89°
1%
1 mph
19:00
88°
1%
1 mph
20:00
81°
2%
2 mph
21:00
79°
2%
4 mph
22:00
77°
3%
5 mph
23:00
75°
3%
5 mph

Today · Tue 8/25

High 92°
4% / –

Sunny. Winds NE at 6 mph.

Overnight · Tue 8/25

Low 65°
2% / –

Sunny. Winds N at 5 mph.

Tomorrow · Wed 8/26

92° | 70°
71% / 0.17 in

Showers. Winds N at 8 mph.

7-day trend

Union · temperature + precipitation

10-day forecast

Updated 12:05 AM

Details & indices

Wind
5 mph N
Gusts 9 mph
Humidity
54%
Dew point 53°
Pressure
30.03 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 27 · 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
High
Ragweed
Moderate

Sun & moon

Sunrise6:54 AM
Sunset8:02 PM
Length of day13h 8m
Moonrise6:50 PM
Moonset4:12 AM
Moon phase🌔 Waxing Gibbous · 91%
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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Columbia
—
—
Data sources · Tuesday, August 25
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: 12:05 AM
Weather in Union
Union's outlook: warmest day near 102° (Thursday), coldest night about 65° (Tuesday). Models drop roughly 1.2 in of precipitation across the stretch — watch Saturday (92%). No watches or warnings are active for the area right now. Right now Union is about 31° cooler than nearby Savannah. 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: 12:05 AM