South New Castle, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South New Castle, PA in one place.
Sunny, with a high near 96. West wind 2 to 8 mph.
Local Weather Overview
This forecast page for South New Castle, 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 13, 2026 2:51 PM EDT.
The active forecast window currently covers Jul 15 to Jul 19, 2026 for South New Castle, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 2:51 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in South New Castle
Wednesday looks like the warmest upcoming period in South New Castle at 96 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 5 to 9 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 2:51 PM EDT
- Coverage
- 5 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
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 90.
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Showers and thunderstorms likely. Partly sunny, with a high near 88. 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 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
96°F |
2 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
69°F |
0 to 7 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
91°F |
0 to 8 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
65°F |
0 to 7 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
90°F |
0 to 8 mph
W
|
|
Friday Night
Jul 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
67°F |
2 to 6 mph
NW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
88°F |
5 to 9 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
66°F |
5 to 8 mph
SW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
86°F |
9 mph
SW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
64°F |
3 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South New Castle.
