Newcastle, OK Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Newcastle, OK in one place.
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Newcastle, OK 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 9, 2026 5:31 PM CDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Newcastle, OK.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:31 PM CDT
- Forecast office
- OUN
- Source
- NOAA / NWS
Daily Outlook
This Week in Newcastle
Monday looks like the warmest upcoming period in Newcastle at 82 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Monday at about 20 to 24 mph SSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:31 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- OUN
- Radar station
- KTLX
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 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Partly sunny, with a high near 82.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
77°F |
20 to 23 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
63°F |
20 mph
S
|
|
Monday
Apr 13
|
Partly Sunny
|
82°F |
20 to 24 mph
SSW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
63°F |
21 mph
S
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
81°F |
20 to 24 mph
S
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
57°F |
14 to 21 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
15 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms
|
56°F |
8 to 13 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newcastle.