West Penn, PA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for West Penn, PA in one place.
Mostly cloudy, with a low around 62. West wind around 2 mph.
Local Weather Overview
This forecast page for West Penn, 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: Apr 15, 2026 4:53 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for West Penn, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:53 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in West Penn
Wednesday looks like the warmest upcoming period in West Penn at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 8 to 13 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:53 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. West wind 2 to 7 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 63. West wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 83. Southwest wind 2 to 9 mph, with gusts as high as 21 mph.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 62. West wind 2 to 7 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 40%.
Mostly sunny, with a high near 75.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
A slight chance of snow showers before 8am. Mostly sunny, with a high near 48.
Mostly clear, with a low around 30.
Sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Mostly Cloudy
|
62°F |
2 mph
W
|
|
Wednesday
Apr 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
2 to 7 mph
W
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
63°F |
2 to 6 mph
W
|
|
Thursday
Apr 16
|
Partly Sunny
|
83°F |
2 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
62°F |
2 to 7 mph
W
|
|
Friday
Apr 17
|
Chance Rain Showers
|
76°F |
2 to 6 mph
NW
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Partly Cloudy
|
54°F |
1 to 5 mph
N
|
|
Saturday
Apr 18
|
Mostly Sunny
|
75°F |
1 to 7 mph
SE
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
49°F |
6 mph
SE
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
61°F |
5 to 10 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
34°F |
6 to 9 mph
NW
|
|
Monday
Apr 20
|
Slight Chance Snow Showers then Mostly Sunny
|
48°F |
8 to 13 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
30°F |
3 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
59°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Penn.