Union, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, PA in one place.
Mostly sunny, with a high near 51. North wind around 18 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for 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: Oct 16, 2026 8:07 AM EDT.
The active forecast window currently covers Oct 17 to Oct 22, 2026 for Union, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 8:07 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Tuesday looks like the warmest upcoming period in Union at 63 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 18 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 16, 2026 8:07 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KDOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 35. North wind 7 to 15 mph, with gusts as high as 24 mph.
Areas of frost between 7am and 9am. Sunny, with a high near 55. North wind around 6 mph.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 63.
Mostly clear, with a low around 46.
Sunny, with a high near 63.
Mostly clear, with a low around 45.
Sunny, with a high near 61.
Mostly clear, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Mostly Sunny
|
51°F |
18 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
7 to 15 mph
N
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
55°F |
6 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
3 mph
NE
|
|
Monday
Oct 19
|
Mostly Sunny
|
57°F |
3 to 8 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
3 to 8 mph
N
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
63°F |
7 to 10 mph
N
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
46°F |
8 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
63°F |
9 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
45°F |
6 mph
NE
|
|
Thursday
Oct 22
|
Sunny
|
61°F |
7 mph
NE
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
45°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.
