Marthasville, MO 14 Day Weather - 63357 WeatherWorld.com
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Marthasville, MO Weather Forecast


Marthasville, MO Weather Forecast Dated: 1218 PM Fri Sep 25 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
67°F 20°C
Overcast
Pleasant near 71°F 22°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the E to the NE at 8 mph 12 km/h.
Saturday, September 26, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
63°F 18°C
Scattered Showers
Comfortable with temperatures reaching 68°F 20°C, scattered downpours possible, with increasing humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
59°F 15°C
Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
71°F 22°C
Cloudy
Enjoyable around 73°F 23°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 78°F 26°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
80°F 27°C
Overcast
Very warm with a high of 86°F 30°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 8 mph 12 km/h.
Wednesday, September 30, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
69°F 21°C
Light Showers
Early-Evening
69°F 21°C
Light Showers
Pleasant near 69°F 21°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the SSE to the S at 12 mph 19 km/h. Gusts up to 32 mph 50 km/h.
Thursday, October 1, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
77°F 25°C
Light Showers
Early-Evening
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
67°F 20°C
Light Fog
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
76°F 24°C
Cloudy
Enjoyable around 76°F 25°C, scattered downpours possible, with lower humidity and steady pressure.
Saturday, October 3, 2026
Mid-Morning
73°F 23°C
Light Fog
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
81°F 28°C
Partly Cloudy
Very warm near 85°F 29°C, though humidity makes it feel like 88°F 31°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds out of the S at 10 mph 15 km/h. Gusts up to 23 mph 38 km/h.
Sunday, October 4, 2026
Mid-Morning
76°F 24°C
Light Fog
Mid-Afternoon
84°F 29°C
Heavy Rain Showers
Early-Evening
78°F 25°C
Scattered Showers
Warm and summery around 84°F 29°C (feels like 89°F 31°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, October 5, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
53°F 12°C
Cloudy
Chilly near 57°F 14°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure rising. Winds blowing from the NNW at 13 mph 21 km/h. Gusts up to 22 mph 36 km/h.
Tuesday, October 6, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
50°F 10°C
Sunny
Cool with a high near 58°F 14°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Wednesday, October 7, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SSW to the WSW at 7 mph 12 km/h.
Thursday, October 8, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
55°F 13°C
Sunny
Mildly cool near 64°F 18°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the NW to the NNW at 9 mph 13 km/h. Gusts up to 20 mph 32 km/h.
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