New Castle, OH Weather Forecast
Local 7-day forecast
Light Rain Likely
Track current conditions, temperature changes, wind, and the full daily outlook for New Castle, OH in one place.
Rain likely between 11am and 1pm. Partly sunny, with a high near 65. West wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for New Castle, OH 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: Nov 5, 2026 3:26 AM EST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for New Castle, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 3:26 AM EST
- Forecast office
- RLX
- Source
- NOAA / NWS
Daily Outlook
This Week in New Castle
Tuesday looks like the warmest upcoming period in New Castle at 67 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 1 to 6 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 5, 2026 3:26 AM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- RLX
- Radar station
- KRLX
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 38. Northwest wind around 5 mph.
Partly sunny, with a high near 57.
Partly cloudy, with a low around 34.
Sunny, with a high near 61.
Areas of frost after 3am. Mostly clear, with a low around 34.
Areas of frost before 8am. Sunny, with a high near 63.
Mostly clear, with a low around 37.
Sunny, with a high near 67.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Light Rain Likely
|
65°F |
1 to 6 mph
W
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
38°F |
5 mph
NW
|
|
Saturday
Nov 7
|
Partly Sunny
|
57°F |
2 to 6 mph
NW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
34°F |
2 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
61°F |
1 to 5 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear then Areas Of Frost
|
34°F |
2 mph
W
|
|
Monday
Nov 9
|
Areas Of Frost then Sunny
|
63°F |
2 mph
W
|
|
Monday Night
Nov 9
|
Mostly Clear
|
37°F |
2 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
67°F |
5 mph
SW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
37°F |
2 mph
W
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
64°F |
2 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Castle.