City of New Castle Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for City of New Castle in one place.
A chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for City of New Castle 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: Sep 15, 2026 5:50 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of New Castle.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:50 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in City of New Castle
Wednesday looks like the warmest upcoming period in City of New Castle at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 9 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:50 AM EDT
- Coverage
- 6 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
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 59.
A chance of rain showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Partly Sunny then Chance Showers And Thunderstorms
|
86°F |
2 mph
SW
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
66°F |
1 mph
NW
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
86°F |
0 to 6 mph
W
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
65°F |
3 mph
NW
|
|
Friday
Sep 18
|
Mostly Sunny
|
80°F |
6 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
59°F |
3 to 7 mph
NE
|
|
Saturday
Sep 19
|
Partly Sunny then Chance Rain Showers
|
82°F |
7 mph
SE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
65°F |
8 mph
S
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
81°F |
9 mph
SW
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms Likely
|
60°F |
3 to 8 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
75°F |
9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of New Castle.