St Louis Lambert International Airport Weather Forecast 15 Days, Weather in STL Today
Current weather conditions and 15 day weather forecast for St Louis Lambert International Airport, Missouri, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at St Louis Lambert International Airport
| 20 December 2025 Saturday 11.1 ° C / 52°F  Sunny |
Feels Like : 9 ° C / 48.2°F Humidity : % 39 Pressure : 1013 mb Wind Speed : 17.3 kmph / 10.7 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St Louis Lambert International Airport, MO, USA
Weather Forecast for next 15 Days for St Louis Lambert International Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in St Louis Lambert International Airport, Missouri state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
0.6 ° C (33.1°F) |
16 ° C (60.8°F) |
5.9 ° C (42.6°F) |
% 61 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:43 PM |
Moonrise:08:07 AM Moonset: 05:04 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Freezing fog |
-3.5 ° C (25.7°F) |
3.1 ° C (37.6°F) |
-0.4 ° C (31.2°F) |
% 80 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:43 PM |
Moonrise:08:51 AM Moonset: 06:05 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Overcast |
-2.6 ° C (27.3°F) |
6.6 ° C (43.9°F) |
2.1 ° C (35.8°F) |
% 75 | 0% | 0.1 | Sunrise:07:17 AM Sunset: 04:44 PM |
Moonrise:09:29 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy rain nearby |
5.1 ° C (41.3°F) |
10.4 ° C (50.8°F) |
9.2 ° C (48.6°F) |
% 96 | 86% | 0.4 | Sunrise:07:17 AM Sunset: 04:44 PM |
Moonrise:10:01 AM Moonset: 08:15 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
9.9 ° C (49.8°F) |
16.2 ° C (61.1°F) |
12.6 ° C (54.6°F) |
% 94 | 88% | 0 | Sunrise:07:18 AM Sunset: 04:45 PM |
Moonrise:10:28 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Partly Cloudy |
14.9 ° C (58.8°F) |
22.3 ° C (72.1°F) |
18.3 ° C (64.9°F) |
% 80 | 0% | 5 | Sunrise:07:18 AM Sunset: 04:46 PM |
Moonrise:10:53 AM Moonset: 10:25 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
13 ° C (55.4°F) |
16.9 ° C (62.5°F) |
15.2 ° C (59.3°F) |
% 67 | 0% | 5 | Sunrise:07:19 AM Sunset: 04:46 PM |
Moonrise:11:17 AM Moonset: 11:32 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
13.5 ° C (56.3°F) |
16.1 ° C (61.1°F) |
14.6 ° C (58.3°F) |
% 90 | 69% | 3 | Sunrise:07:19 AM Sunset: 04:47 PM |
Moonrise:11:40 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate rain |
9.5 ° C (49.1°F) |
12.6 ° C (54.6°F) |
11.5 ° C (52.7°F) |
% 93 | 78% | 3 | Sunrise:07:19 AM Sunset: 04:48 PM |
Moonrise:12:05 PM Moonset: 12:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
2.8 ° C (37°F) |
7.9 ° C (46.2°F) |
6 ° C (42.7°F) |
% 71 | 86% | 2 | Sunrise:07:19 AM Sunset: 04:48 PM |
Moonrise:12:34 PM Moonset: 01:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
0 ° C (32.1°F) |
5.3 ° C (41.5°F) |
2.3 ° C (36.2°F) |
% 66 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:49 PM |
Moonrise:01:09 PM Moonset: 03:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
1.3 ° C (34.3°F) |
8.3 ° C (46.9°F) |
4.1 ° C (39.4°F) |
% 64 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:50 PM |
Moonrise:01:53 PM Moonset: 04:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
3.5 ° C (38.2°F) |
13 ° C (55.5°F) |
7.3 ° C (45.1°F) |
% 60 | 0% | 3 | Sunrise:07:20 AM Sunset: 04:51 PM |
Moonrise:02:49 PM Moonset: 05:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
6.5 ° C (43.6°F) |
14.2 ° C (57.5°F) |
10.3 ° C (50.5°F) |
% 79 | 0% | 4 | Sunrise:07:20 AM Sunset: 04:52 PM |
Moonrise:03:56 PM Moonset: 06:53 AM Moon Phase ( Waxing Gibbous ) |
|
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