South Union, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Union, PA in one place.
Sunny, with a high near 90.
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: Jul 12, 2026 7:32 AM EDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for South Union, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 7:32 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in South Union
Wednesday looks like the warmest upcoming period in South Union at 91 degrees F.
Thursday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 10 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 7:32 AM 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 68.
Sunny, with a high near 91.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 62.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 84.
Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
1 to 9 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
68°F |
5 to 8 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
6 to 10 mph
NW
|
|
Wednesday Night
Jul 15
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
2 to 9 mph
NW
|
|
Thursday
Jul 16
|
Slight Chance Rain Showers then Mostly Sunny
|
84°F |
2 to 9 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
60°F |
1 to 8 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
79°F |
1 to 9 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
60°F |
0 to 7 mph
N
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
81°F |
0 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Union.
