Weather in Barnhart, MO
Updated 2026-08-11 12:30 local time · ZIP codes 63012

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
90°2% rain
100°1% rain
100°1% rain
101°1% rain
100°1% rain
97°1% rain
93°1% rain
88°1% rain
86°1% rain
85°2% 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 97°F with winds near 10 mph.
88°F, 1% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 13 mph.
Current temperature is 90°F, wind 10 mph, rain chance up to 3%.
UV index is 8. Sunscreen, shade and protective clothing are recommended.
Barnhart weather today
Partly cloudy and 90°F in Barnhart, MO. Today's high is 101°F with a 3% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 56%, pressure is 29.99 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Barnhart
Sunrise is at 06:12 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Sunny with a high near 99°F and a low near 82°F. The maximum rain chance is 3%.