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City of Newcastle, OKNewcastle, OK 7-Day Night Weather Forecast
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Newcastle, OK Weather Forecast
Newcastle, OK Weather Forecast Date: 129 PM CDT Sat Sep 19 2026
The area/counties/county of: Mcclain, including the cities of: Purcell, Newcastle, and Blanchard.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph.
Sunday... Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 90s. South winds 10 to 15 mph. Chance of rain 70%.
Sunday Night... Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 70%.
Monday... Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 20%.
Monday Night... Mostly clear. Lows in the lower 60s.
Tuesday... Mostly sunny. Highs in the lower 80s.
Tuesday Night... Partly cloudy. Lows in the upper 50s.
Wednesday... Mostly sunny. Highs in the mid 80s.
Wednesday Night... Partly cloudy. Lows in the lower 60s.
Thursday... Partly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20%.
Thursday Night... Mostly cloudy with a 20% chance of showers. Lows in the mid 60s.
POP = Probability of Precipitation
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