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City of Marietta, OKMarietta, OK 7-Day Weather Forecast
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Marietta Weather Forecast
Marietta, OK Weather Forecast Date: 718 PM CDT Sat Aug 15 2026
Weather forecast for Marietta, OK
Tonight Lo: 79°F Lo: 26°C |
Tonight... Clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early this evening. |
Sun Hi: 104°FHi: 40°C Lo: 75°F Lo: 24°C |
Sunday... Sunny, hot with highs around 104. Southwest winds 5 to 10 mph. |
| Mon Hi: 104°FHi: 40°C Lo: 75°F Lo: 24°C |
Monday... Sunny, hot with highs around 104. Southwest winds around 5 mph. |
| Tue Hi: 105°FHi: 41°C Lo: 79°F Lo: 26°C |
Tuesday... Sunny, hot with highs around 105. |
| Wed Hi: 108°FHi: 42°C Lo: 79°F Lo: 26°C |
Wednesday... Sunny, hot with highs 105 to 110. |
| Thu Hi: 103°FHi: 39°C Lo: 75°F Lo: 24°C |
Thursday... Sunny, hot with highs 100 to 105. |
| Fri Hi: 103°FHi: 39°C Lo: 75°F Lo: 24°C |
Friday... Mostly sunny. Hot with highs 100 to 105. |
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