Southwest, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Southwest, PA in one place.
Sunny, with a high near 78. North wind 0 to 6 mph.
Local Weather Overview
This forecast page for Southwest, 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: Jun 3, 2026 1:37 AM EDT.
The active forecast window currently covers Jun 3 to Jun 9, 2026 for Southwest, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 9, 2026
- Latest sync
- Jun 3, 2026 1:37 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Southwest
Friday looks like the warmest upcoming period in Southwest at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 6 to 15 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 3, 2026 1:37 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
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 53. East wind 0 to 3 mph.
Sunny, with a high near 82. Southwest wind 0 to 3 mph.
Mostly clear, with a low around 57. Southwest wind around 3 mph.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 62.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
78°F |
0 to 6 mph
N
|
|
Wednesday Night
Jun 3
|
Clear
|
53°F |
0 to 3 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
0 to 3 mph
SW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
57°F |
3 mph
SW
|
|
Friday
Jun 5
|
Mostly Sunny
|
84°F |
3 to 10 mph
SW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
62°F |
3 to 7 mph
SW
|
|
Saturday
Jun 6
|
Mostly Sunny then Chance Showers And Thunderstorms
|
84°F |
6 to 15 mph
SW
|
|
Saturday Night
Jun 6
|
Showers And Thunderstorms Likely
|
63°F |
3 to 10 mph
SW
|
|
Sunday
Jun 7
|
Showers And Thunderstorms Likely
|
81°F |
6 to 10 mph
SW
|
|
Sunday Night
Jun 7
|
Showers And Thunderstorms Likely
|
61°F |
3 to 8 mph
S
|
|
Monday
Jun 8
|
Chance Rain Showers
|
79°F |
5 to 9 mph
SE
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
59°F |
5 to 8 mph
E
|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms
|
80°F |
5 to 8 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Southwest.