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City of Newcastle, OKNewcastle, OK 7-Day Weather Forecast
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Newcastle Weather Forecast
Newcastle, OK Weather Forecast Date: 1149 AM CDT Mon Sep 21 2026
Weather forecast for Newcastle, OK
Today Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
This Afternoon... Mostly sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph. |
| Tue Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Tuesday... Mostly sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph. |
| Wed Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph. |
| Thu Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Thursday... Mostly sunny. Highs in the upper 80s. |
Fri Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Friday... Partly sunny with a 20% chance of showers. Highs in the upper 80s. |
Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20%. |
| Sun Hi: 91°FHi: 33°C |
Sunday... Partly sunny. A slight chance of showers in the morning. Highs in the lower 90s. Chance of rain 20%. |
Newcastle Radar Loop
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