Weather in Marthasville, MO
Updated 2026-08-11 11:15 local time · ZIP codes 63357

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
86°2% rain
97°2% rain
99°1% rain
100°1% rain
101°1% rain
101°1% rain
101°1% rain
98°1% rain
92°2% rain
87°3% rain
84°3% rain
83°3% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 3%).
It feels like 90°F with winds near 12 mph.
86°F, 2% rain chance and 12 mph wind.
Visibility is around 10 mi; gusts may reach 15 mph.
Current temperature is 86°F, wind 12 mph, rain chance up to 3%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Marthasville weather today
Sunny and 86°F in Marthasville, MO. Today's high is 101°F with a 3% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 66%, pressure is 29.97 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Marthasville
Sunrise is at 06:15 AM and sunset is at 08:04 PM. Tomorrow's forecast calls for Sunny with a high near 99°F and a low near 78°F. The maximum rain chance is 4%.