Union County, PA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 66. North wind around 15 mph, with gusts as high as 29 mph.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 1:49 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Friday looks like the warmest upcoming period in Union County at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Today at about 15 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 1:49 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
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 42. Northwest wind 1 to 10 mph.
Sunny, with a high near 75. Northwest wind 0 to 5 mph.
Mostly clear, with a low around 51. West wind 0 to 3 mph.
Sunny, with a high near 75. North wind 0 to 5 mph.
Mostly clear, with a low around 51.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 74.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 51.
Sunny, with a high near 76.
Mostly clear, with a low around 53.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 30
|
Mostly Sunny
|
66°F |
15 mph
N
|
|
Tonight
May 30
|
Mostly Clear
|
42°F |
1 to 10 mph
NW
|
|
Sunday
May 31
|
Sunny
|
75°F |
0 to 5 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
51°F |
0 to 3 mph
W
|
|
Monday
Jun 1
|
Sunny
|
75°F |
0 to 5 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
51°F |
3 mph
N
|
|
Tuesday
Jun 2
|
Slight Chance Rain Showers
|
74°F |
1 to 7 mph
N
|
|
Tuesday Night
Jun 2
|
Slight Chance Rain Showers then Partly Cloudy
|
51°F |
1 to 6 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
76°F |
0 to 6 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
53°F |
0 to 5 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
2 mph
NW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
58°F |
2 mph
NW
|
|
Friday
Jun 5
|
Mostly Sunny
|
87°F |
0 to 5 mph
W
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
63°F |
0 to 3 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Union County.
Largest mapped city population in this region: 13,293.
