West Penn, PA Weather Forecast
Local 7-day forecast
Haze
Track current conditions, temperature changes, wind, and the full daily outlook for West Penn, PA in one place.
Haze and patchy smoke after 8am. Mostly sunny, with a high near 94. West wind 5 to 8 mph. Chance of precipitation is 20%.
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: Jul 14, 2026 7:19 PM EDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for West Penn, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:19 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 94 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 8 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:19 PM EDT
- Coverage
- 6 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
Haze and patchy smoke before 8pm. Partly cloudy, with a low around 69. Northwest wind 0 to 7 mph.
Haze and areas of smoke after 8am. Mostly sunny, with a high near 91. Northwest wind 0 to 7 mph.
Haze and areas of smoke before 8pm. Mostly clear, with a low around 65.
Mostly sunny, with a high near 88.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Haze
|
94°F |
5 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Haze then Partly Cloudy
|
69°F |
0 to 7 mph
NW
|
|
Thursday
Jul 16
|
Haze
|
91°F |
0 to 7 mph
NW
|
|
Thursday Night
Jul 16
|
Haze then Mostly Clear
|
65°F |
1 to 7 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
88°F |
2 mph
NW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
64°F |
2 mph
NE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
83°F |
0 to 5 mph
SE
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
66°F |
1 to 5 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
2 to 6 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
64°F |
0 to 3 mph
N
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
0 to 3 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Penn.