Union, NC Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Union, NC in one place.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. East wind around 2 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Union, NC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 9:40 AM EDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Union, NC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 9:40 AM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Friday looks like the warmest upcoming period in Union at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 7 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 9:40 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GSP
- Radar station
- KGSP
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny then Chance Showers And Thunderstorms
|
94°F |
2 mph
E
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
2 mph
WNW
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
0 to 6 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
71°F |
1 to 5 mph
W
|
|
Sunday
Jul 19
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
1 to 5 mph
WNW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
1 to 5 mph
WNW
|
|
Monday
Jul 20
|
Sunny
|
92°F |
3 mph
WSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
71°F |
3 mph
W
|
|
Tuesday
Jul 21
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
1 to 7 mph
WSW
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
1 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.