Union, NC Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, NC in one place.
Mostly sunny, with a high near 90. West southwest wind 1 to 10 mph, with gusts as high as 18 mph.
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: Apr 17, 2026 1:12 AM EDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Union, NC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 1:12 AM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Saturday looks like the warmest upcoming period in Union at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Sunday at about 6 to 12 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 1:12 AM EDT
- Coverage
- 6 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 chance of rain showers after 2am. Mostly cloudy, with a low around 56. West southwest wind 5 to 9 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Mostly clear, with a low around 41.
Sunny, with a high near 71.
Clear, with a low around 40.
Sunny, with a high near 74.
Mostly clear, with a low around 47.
Sunny, with a high near 81.
Mostly clear, with a low around 51.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Sunny
|
90°F |
1 to 10 mph
WSW
|
|
Saturday Night
Apr 18
|
Mostly Cloudy then Chance Rain Showers
|
56°F |
5 to 9 mph
WSW
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
69°F |
6 to 12 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
41°F |
3 to 10 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
71°F |
3 to 8 mph
NW
|
|
Monday Night
Apr 20
|
Clear
|
40°F |
1 to 7 mph
NNW
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
1 to 7 mph
SSE
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
47°F |
2 to 6 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
81°F |
2 to 7 mph
WSW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
51°F |
2 to 7 mph
WSW
|
|
Thursday
Apr 23
|
Sunny
|
83°F |
2 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.