New Castle, IN Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, IN in one place.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. West wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for New Castle, IN 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 7:26 PM EDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for New Castle, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:26 PM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Thursday looks like the warmest upcoming period in New Castle at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 3 to 8 mph WSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:26 PM EDT
- Coverage
- 5 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IND
- Radar station
- KIND
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 before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Southwest wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely after 8am. Mostly sunny, with a high near 89. South southwest wind 1 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 70. West southwest wind around 5 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. West southwest wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. West wind around 7 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny then Chance Showers And Thunderstorms
|
93°F |
3 mph
W
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
71°F |
2 mph
SW
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
89°F |
1 to 5 mph
SSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
70°F |
5 mph
WSW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
88°F |
3 to 8 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
70°F |
7 mph
W
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
6 mph
WNW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
86°F |
2 to 8 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
68°F |
7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.
