New Castle, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, PA in one place.
Sunny, with a high near 71. North wind 1 to 7 mph.
Local Weather Overview
This forecast page for 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: Jun 1, 2026 1:31 AM EDT.
The active forecast window currently covers Jun 1 to Jun 7, 2026 for New Castle, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 1:31 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Friday looks like the warmest upcoming period in New Castle at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Friday at about 2 to 12 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 1:31 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
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 47. Northeast wind around 6 mph.
Mostly sunny, with a high near 70. Northeast wind 2 to 8 mph.
Mostly clear, with a low around 47. North wind 1 to 8 mph.
Sunny, with a high near 76.
Clear, with a low around 51.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 82.
Mostly cloudy, with a low around 61.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Sunny
|
71°F |
1 to 7 mph
N
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
47°F |
6 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
70°F |
2 to 8 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
47°F |
1 to 8 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
76°F |
1 to 7 mph
NW
|
|
Wednesday Night
Jun 3
|
Clear
|
51°F |
0 to 6 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
0 to 7 mph
NW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
55°F |
2 to 7 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny
|
82°F |
2 to 12 mph
W
|
|
Friday Night
Jun 5
|
Mostly Cloudy
|
61°F |
5 to 10 mph
W
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
W
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
61°F |
3 to 8 mph
W
|
|
Sunday
Jun 7
|
Showers And Thunderstorms Likely
|
80°F |
3 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.