Lambert-St. Louis International Airport (STL) 15 Day Weather Forecast, Saint Louis United States

Current weather conditions and 15 day weather forecast for Lambert-St. Louis International Airport in Saint Louis, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at STL

13 December 2025 Sat
1.1 ° C
( 34°F )

Partly cloudy
Partly cloudy
Feels Like : -1.8 ° C / 28.7°F
Humidity : % 82
Pressure : 1022 mb
Wind Speed : 9.4 kmph / 5.8 miles from NWNW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15-day weather forecast for Lambert-St. Louis International Airport, Saint Louis, United States

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
12 December 2025 Fri Overcast  Overcast 0.2 ° C 1.4 ° C 0.8 ° C % 92 14.4 km/h 0%
13 December 2025 Sat Light freezing rain Light freezing rain -9.7 ° C -0.4 ° C -2.8 ° C % 78 20.9 km/h 77%
14 December 2025 Sun Sunny Sunny -12.7 ° C -7.5 ° C -9.7 ° C % 57 20.5 km/h 0%
15 December 2025 Mon Sunny Sunny -10.5 ° C 3.6 ° C -4.3 ° C % 50 19.8 km/h 0%
16 December 2025 Tue Sunny Sunny -0.2 ° C 8.7 ° C 3.6 ° C % 74 15.5 km/h 0%
17 December 2025 Wed Mist Mist 5 ° C 13.6 ° C 7.9 ° C % 90 21.6 km/h 0%
18 December 2025 Thu Sunny Sunny 6.6 ° C 13.1 ° C 11.6 ° C % 57 22 km/h 0%
19 December 2025 Fri Patchy rain nearby Patchy rain nearby 4.8 ° C 5.5 ° C 5.5 ° C % 71 17.6 km/h 80%
20 December 2025 Sat Patchy rain nearby Patchy rain nearby 10.3 ° C 17.9 ° C 15.5 ° C % 91 23 km/h 81%
21 December 2025 Sun Patchy rain nearby Patchy rain nearby 7.1 ° C 10.4 ° C 10.4 ° C % 82 17.3 km/h 85%
22 December 2025 Mon Patchy rain nearby Patchy rain nearby 7.1 ° C 18.4 ° C 11.8 ° C % 83 21.6 km/h 86%
23 December 2025 Tue Sunny Sunny -0.3 ° C 6.2 ° C 4.6 ° C % 62 22.7 km/h 0%
24 December 2025 Wed Sunny Sunny -3.5 ° C 2.7 ° C -0.7 ° C % 36 15.5 km/h 0%
25 December 2025 Thu Overcast  Overcast 0.4 ° C 7.9 ° C 4.5 ° C % 47 16.6 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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