Marthasville, MO 7-Day Weather Forecast
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Marthasville Weather Forecast


Marthasville, MO Weather Forecast Date: 128 AM CDT Fri Oct 02 2026
Weather forecast for Marthasville, MO
| Tonight Lo: 59°F Lo: 15°C |
Tonight... Cloudy with showers likely. Cooler with lows in the upper 50s. North winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70%. |
| Fri Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Friday... Mostly cloudy in the morning, then becoming mostly sunny. Much cooler with highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph. |
| Sat Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Saturday... Sunny. Highs in the lower 70s. East winds around 5 mph. |
| Sun Hi: 79°FHi: 26°C Lo: 49°F Lo: 9°C |
Sunday... Sunny. Highs in the upper 70s. |
| Mon Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Monday... Clear. Lows in the upper 40s. Highs in the lower 70s. |
| Tue Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Tuesday... Clear. Lows in the upper 40s. Highs in the lower 70s. |
| Tue Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Tuesday... Clear. Lows in the upper 40s. Highs in the lower 70s. |
| Wed Hi: 80°FHi: 27°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly clear. Lows in the lower 50s. Highs around 80. |
| Wed Hi: 80°FHi: 27°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly clear. Lows in the lower 50s. Highs around 80. |
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