New Castle, KY Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, KY in one place.
Mostly clear, with a low around 56. Southwest wind around 6 mph.
Local Weather Overview
This forecast page for New Castle, KY 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: Apr 17, 2026 2:16 AM EDT.
The active forecast window currently covers Apr 17 to Apr 23, 2026 for New Castle, KY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 2:16 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Friday looks like the warmest upcoming period in New Castle at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Sunday at about 8 to 16 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 2:16 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 82. Southwest wind 3 to 9 mph.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. South wind 7 to 12 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 64 in the afternoon. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 39. Northwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 8am. Sunny, with a high near 59. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Areas of frost after 5am. Mostly clear, with a low around 37.
Areas of frost before 8am. Sunny, with a high near 60.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 53.
Sunny, with a high near 75.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 17
|
Mostly Clear
|
56°F |
6 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny
|
82°F |
3 to 9 mph
SW
|
|
Friday Night
Apr 17
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
64°F |
7 to 12 mph
S
|
|
Saturday
Apr 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
75°F |
15 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms
|
39°F |
10 to 15 mph
NW
|
|
Sunday
Apr 19
|
Slight Chance Rain Showers then Sunny
|
59°F |
8 to 16 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear then Areas Of Frost
|
37°F |
6 to 14 mph
N
|
|
Monday
Apr 20
|
Areas Of Frost then Sunny
|
60°F |
6 mph
N
|
|
Monday Night
Apr 20
|
Mostly Clear
|
42°F |
3 to 7 mph
E
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
74°F |
8 to 13 mph
S
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
53°F |
12 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
75°F |
9 to 13 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
54°F |
6 to 9 mph
SW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
79°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.