National Weather Service Forecast for: Kirkwood MO
Issued by: National Weather Service Saint Louis, MO
Updated: 11:51 am CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: A chance of sprinkles before 1pm.  Cloudy early, then gradual clearing, with a high near 76. South wind around 6 mph.
Chance
Sprinkles
Tonight

Tonight: Mostly clear, with a low around 52. Light and variable wind becoming south around 5 mph after midnight.
Mostly Clear
Friday

Friday: Sunny, with a high near 82. Light southwest wind becoming west 6 to 11 mph in the morning.
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Saturday

Saturday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
Saturday
Night
Saturday Night: Clear, with a low around 61.
Clear
Sunday

Sunday: Mostly sunny, with a high near 86.
Mostly Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 40.
Mostly Clear
Monday

Monday: Mostly sunny, with a high near 56.
Mostly Sunny
Hi 76 °F Lo 52 °F Hi 82 °F Lo 53 °F Hi 82 °F Lo 61 °F Hi 86 °F Lo 40 °F Hi 56 °F

 

This Afternoon
 
A chance of sprinkles before 1pm. Cloudy early, then gradual clearing, with a high near 76. South wind around 6 mph.
Tonight
 
Mostly clear, with a low around 52. Light and variable wind becoming south around 5 mph after midnight.
Friday
 
Sunny, with a high near 82. Light southwest wind becoming west 6 to 11 mph in the morning.
Friday Night
 
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
 
Clear, with a low around 61.
Sunday
 
Mostly sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 40.
Monday
 
Mostly sunny, with a high near 56.
Monday Night
 
Partly cloudy, with a low around 37.
Tuesday
 
Partly sunny, with a high near 60.
Tuesday Night
 
Mostly cloudy, with a low around 41.
Wednesday
 
Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Kirkwood MO.