Hourly Weather Forecast - Union, SC

12 AM
40°F
0%
2mph
S
Cloudy
Humidity
81%
Feels like
40°F
Dew Point
35°F
1 AM
40°F
0%
2mph
SE
Cloudy
Humidity
81%
Feels like
40°F
Dew Point
34°F
2 AM
40°F
0%
2mph
SE
Cloudy
Humidity
79%
Feels like
40°F
Dew Point
34°F
3 AM
40°F
0%
2mph
NE
Cloudy
Humidity
77%
Feels like
40°F
Dew Point
34°F
4 AM
41°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
75%
Feels like
41°F
Dew Point
34°F
5 AM
41°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
78%
Feels like
41°F
Dew Point
35°F
6 AM
42°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
80%
Feels like
42°F
Dew Point
36°F
7 AM
43°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
86%
Feels like
43°F
Dew Point
39°F
7:28 AM
8 AM
44°F
30%
2mph
NE
30% Chance of Light Rain
Humidity
91%
Feels like
44°F
Dew Point
42°F
9 AM
47°F
30%
3mph
NE
30% Chance of Light Rain
Humidity
86%
Feels like
47°F
Dew Point
42°F
10 AM
48°F
30%
3mph
NE
30% Chance of Light Rain
Humidity
85%
Feels like
48°F
Dew Point
44°F
11 AM
51°F
30%
3mph
ENE
30% Chance of Light Rain
Humidity
78%
Feels like
51°F
Dew Point
44°F
12 PM
53°F
40%
4mph
ESE
40% Chance of Light Rain
Humidity
75%
Feels like
53°F
Dew Point
45°F
1 PM
55°F
50%
4mph
ESE
50% Chance of Light Rain
Humidity
71%
Feels like
55°F
Dew Point
46°F
2 PM
56°F
50%
4mph
ESE
50% Chance of Light Rain
Humidity
70%
Feels like
56°F
Dew Point
47°F
3 PM
56°F
60%
4mph
ESE
60% Chance of Light Rain
Humidity
76%
Feels like
56°F
Dew Point
49°F
4 PM
55°F
60%
4mph
ESE
60% Chance of Light Rain
Humidity
87%
Feels like
55°F
Dew Point
51°F
5 PM
54°F
70%
4mph
SE
70% Chance of Rain
Humidity
95%
Feels like
54°F
Dew Point
52°F
5:18 PM
6 PM
53°F
70%
4mph
SE
70% Chance of Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
7 PM
53°F
70%
5mph
SSE
70% Chance of Rain
Humidity
96%
Feels like
53°F
Dew Point
51°F
8 PM
52°F
80%
6mph
S
80% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
9 PM
51°F
80%
7mph
S
80% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
10 PM
51°F
90%
8mph
S
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
11 PM
51°F
100%
9mph
SSW
Thunderstorms
Humidity
100%
Feels like
51°F
Dew Point
51°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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