Weather forecast for: Newcastle OK
Last Update: 3:17 pm CDT Sep 23, 2026
Tonight: Increasing clouds, with a low around 66. East wind 6 to 10 mph.
Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 91. East southeast wind 6 to 10 mph.
Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. East southeast wind 6 to 8 mph.
Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 89. South southeast wind 6 to 9 mph.
Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Southeast wind around 7 mph.
Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 68.
Sunday: A 20 percent chance of showers before 1pm. Sunny, with a high near 92.
Sunday Night: Partly cloudy, with a low around 68.
Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday: A 30 percent chance of showers. Mostly sunny, with a high near 79.