New Castle, IN Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, IN in one place.
A slight chance of rain showers before 9am. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. South southeast wind around 5 mph. Chance of precipitation is 20%. 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: Oct 31, 2026 4:46 PM EDT.
The active forecast window currently covers Nov 1 to Nov 6, 2026 for New Castle, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 4:46 PM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Tuesday looks like the warmest upcoming period in New Castle at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Tuesday at about 14 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 4:46 PM EDT
- Coverage
- 6 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
Mostly cloudy, with a low around 51. South southeast wind around 5 mph.
A slight chance of rain showers between 7am and 1pm. Mostly cloudy, with a high near 65. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 54. South southeast wind around 10 mph, with gusts as high as 23 mph.
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 74. South wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Rain showers likely after 7pm. Mostly cloudy, with a low around 58. South wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Rain showers likely before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 70. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 50. South wind 2 to 7 mph. Chance of precipitation is 70%.
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
A chance of rain showers before 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Slight Chance Rain Showers then Mostly Cloudy
|
70°F |
5 mph
SSE
|
|
Sunday Night
Nov 1
|
Mostly Cloudy
|
51°F |
5 mph
SSE
|
|
Monday
Nov 2
|
Slight Chance Rain Showers
|
65°F |
6 to 9 mph
S
|
|
Monday Night
Nov 2
|
Mostly Cloudy
|
54°F |
10 mph
SSE
|
|
Tuesday
Nov 3
|
Slight Chance Rain Showers
|
74°F |
14 mph
S
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
58°F |
13 mph
S
|
|
Wednesday
Nov 4
|
Showers And Thunderstorms
|
70°F |
12 mph
S
|
|
Wednesday Night
Nov 4
|
Showers And Thunderstorms Likely
|
50°F |
2 to 7 mph
S
|
|
Thursday
Nov 5
|
Chance Rain Showers
|
66°F |
2 to 7 mph
SSE
|
|
Thursday Night
Nov 5
|
Chance Rain Showers
|
46°F |
5 mph
NE
|
|
Friday
Nov 6
|
Chance Rain Showers
|
63°F |
5 to 8 mph
NNW
|
|
Friday Night
Nov 6
|
Chance Rain Showers then Mostly Cloudy
|
42°F |
2 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.