Mount Union, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Union, PA in one place.
Mostly sunny, with a high near 78. Southwest wind 5 to 9 mph.
Local Weather Overview
This forecast page for Mount 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: Aug 23, 2026 8:29 PM EDT.
The active forecast window currently covers Aug 24 to Aug 30, 2026 for Mount Union, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 23, 2026 8:29 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Union
Thursday looks like the warmest upcoming period in Mount Union at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday at about 5 to 9 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 8:29 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 55. West wind 1 to 7 mph.
Mostly sunny, with a high near 81. West wind 2 to 7 mph.
Mostly clear, with a low around 57. Northwest wind 0 to 5 mph.
Mostly sunny, with a high near 83.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 65.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 63.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
78°F |
5 to 9 mph
SW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
55°F |
1 to 7 mph
W
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
81°F |
2 to 7 mph
W
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
57°F |
0 to 5 mph
NW
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
83°F |
0 to 5 mph
S
|
|
Wednesday Night
Aug 26
|
Slight Chance Rain Showers
|
65°F |
5 mph
SE
|
|
Thursday
Aug 27
|
Slight Chance Showers And Thunderstorms
|
85°F |
7 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
0 to 6 mph
S
|
|
Friday
Aug 28
|
Mostly Sunny
|
84°F |
0 to 3 mph
W
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
63°F |
2 mph
NW
|
|
Saturday
Aug 29
|
Mostly Sunny
|
82°F |
3 mph
NW
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
62°F |
3 mph
NE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
83°F |
1 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Union.
