| National Weather Service Forecast for:
Newcastle OK Issued by: National Weather Service Norman, OK |
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| Updated: 1:26 am CDT Jun 30, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 95. South wind 18 to 22 mph, with gusts as high as 33 mph. |
| Tonight |
Mostly clear, with a low around 76. South southeast wind 16 to 21 mph, with gusts as high as 31 mph. |
| Wednesday |
Mostly sunny, with a high near 95. South wind 15 to 18 mph, with gusts as high as 28 mph. |
| Wednesday Night |
Partly cloudy, with a low around 77. South southeast wind 13 to 17 mph, with gusts as high as 26 mph. |
| Thursday |
Mostly sunny and hot, with a high near 97. South wind 13 to 16 mph, with gusts as high as 24 mph. |
| Thursday Night |
Partly cloudy, with a low around 78. |
| Friday |
Mostly sunny and hot, with a high near 99. |
| Friday Night |
Mostly clear, with a low around 78. |
| Independence Day |
Mostly sunny and hot, with a high near 101. |
| Saturday Night |
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. |
| Sunday |
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. |
| Sunday Night |
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
| Monday |
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. |
Forecast from NOAA-NWS for Newcastle OK.
