South Union, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Union, PA in one place.
Mostly sunny, with a high near 61. North wind 13 to 20 mph, with gusts as high as 37 mph.
Local Weather Overview
This forecast page for South Union, PA 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: May 28, 2026 5:52 PM EDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for South Union, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 5:52 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in South Union
Sunday looks like the warmest upcoming period in South Union at 69 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday at about 13 to 20 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 5:52 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KBGM
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 41.
Sunny, with a high near 69.
Partly cloudy, with a low around 47.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 68.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 45.
A chance of rain showers after 2pm. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
A slight chance of rain showers after 8am. Sunny, with a high near 67.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
61°F |
13 to 20 mph
N
|
|
Saturday Night
May 30
|
Mostly Clear
|
41°F |
1 to 12 mph
N
|
|
Sunday
May 31
|
Sunny
|
69°F |
0 to 5 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
47°F |
3 mph
NW
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Rain Showers
|
68°F |
2 to 9 mph
NW
|
|
Monday Night
Jun 1
|
Slight Chance Rain Showers then Mostly Clear
|
45°F |
1 to 8 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny then Chance Rain Showers
|
67°F |
2 to 10 mph
NW
|
|
Tuesday Night
Jun 2
|
Chance Rain Showers then Partly Cloudy
|
46°F |
2 to 8 mph
N
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers
|
67°F |
2 to 8 mph
N
|
|
Wednesday Night
Jun 3
|
Slight Chance Rain Showers then Mostly Clear
|
48°F |
0 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Union.
