New Castle, IN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, IN in one place.
Mostly sunny, with a high near 77. East northeast wind 0 to 3 mph.
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: May 30, 2026 5:35 PM EDT.
The active forecast window currently covers Jun 1 to Jun 5, 2026 for New Castle, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 5, 2026
- Latest sync
- May 30, 2026 5:35 PM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Friday looks like the warmest upcoming period in New Castle at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 5:35 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
Partly cloudy, with a low around 55. Northeast wind around 5 mph.
Sunny, with a high near 75. Northeast wind 5 to 9 mph, with gusts as high as 20 mph.
Clear, with a low around 52. East northeast wind 2 to 7 mph.
Sunny, with a high near 76. East northeast wind around 5 mph.
Clear, with a low around 55. East wind around 2 mph.
Sunny, with a high near 80.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 82.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Mostly Sunny
|
77°F |
0 to 3 mph
ENE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
55°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
75°F |
5 to 9 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
52°F |
2 to 7 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
76°F |
5 mph
ENE
|
|
Wednesday Night
Jun 3
|
Clear
|
55°F |
2 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
80°F |
1 to 6 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
61°F |
5 mph
SSW
|
|
Friday
Jun 5
|
Mostly Sunny
|
82°F |
5 to 10 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.