St Louis Airport (STL) Weather 08/31/2025
Overnight
67
Mostly Clear
Friday
85
Mostly Sunny
Friday Night
68
Partly Cloudy
Saturday
87
Partly Sunny
Saturday Night
62
Mostly Clear
Sunday
82
Sunny
Sunday Night
62
Mostly Clear
Monday
78
Mostly Sunny
Monday Night
57
Partly Cloudy
Tuesday
76
Mostly Sunny
Tuesday Night
56
Mostly Clear
Wednesday
78
Sunny
Wednesday Night
59
Partly Cloudy
Weekly Forecast
Overnight
Mostly clear, with a low around 67. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 68. Light and variable wind.
Saturday
Partly sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. North wind around 6 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.