West Penn, PA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for West Penn, PA in one place.
Mostly clear, with a low around 63. Southwest wind around 7 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: Oct 13, 2026 8:27 PM EDT.
The active forecast window currently covers Oct 13 to Oct 20, 2026 for West Penn, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 8:27 PM 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 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday Night at about 14 to 18 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 8:27 PM EDT
- Coverage
- 8 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 rain showers between 9am and 5pm. Partly sunny, with a high near 78. West wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 51. Northwest wind around 6 mph.
Mostly sunny, with a high near 66. Northeast wind around 5 mph.
Rain showers after 8pm. Mostly cloudy, with a low around 54. Southeast wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers before 2pm, then showers and thunderstorms. Cloudy, with a high near 72. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 80%.
Mostly sunny, with a high near 49.
Widespread frost after midnight. Mostly clear, with a low around 32.
Widespread frost before 10am. Sunny, with a high near 57.
Areas of frost after 5am. Mostly clear, with a low around 36.
Areas of frost before 8am. Mostly sunny, with a high near 61.
Mostly cloudy, with a low around 43.
Mostly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 13
|
Mostly Clear
|
63°F |
7 mph
SW
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers
|
78°F |
7 mph
W
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
51°F |
6 mph
NW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
66°F |
5 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
54°F |
2 to 7 mph
SE
|
|
Friday
Oct 16
|
Rain Showers
|
72°F |
7 to 15 mph
SW
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms
|
38°F |
14 to 18 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
49°F |
15 to 18 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear then Widespread Frost
|
32°F |
2 to 13 mph
NW
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
57°F |
2 to 6 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear then Areas Of Frost
|
36°F |
0 to 3 mph
SW
|
|
Monday
Oct 19
|
Areas Of Frost then Mostly Sunny
|
61°F |
0 to 6 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
43°F |
0 to 3 mph
W
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
2 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Penn.
