Current weather conditions and 15 day weather forecast for St Charles County Smartt 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.
| 18 December 2025 Thursday 11.1 ° C / 52°F ![]() Overcast |
Feels Like : 8.6 ° C / 47.5°F Humidity : % 86 Pressure : 1006 mb Wind Speed : 21.6 kmph / 13.4 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Moderate rain |
-1.3 ° C (29.7°F) |
13.3 ° C (55.9°F) |
9.6 ° C (49.2°F) |
% 82 | 76% | 0.1 | Sunrise:07:15 AM Sunset: 04:42 PM |
Moonrise:06:17 AM Moonset: 03:20 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-3.4 ° C (25.9°F) |
5.2 ° C (41.4°F) |
0.4 ° C (32.7°F) |
% 58 | 0% | 0.4 | Sunrise:07:15 AM Sunset: 04:42 PM |
Moonrise:07:15 AM Moonset: 04:08 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-0.5 ° C (31.1°F) |
12.7 ° C (54.9°F) |
4.4 ° C (40°F) |
% 68 | 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 | Sunny |
-0.3 ° C (31.5°F) |
6.3 ° C (43.4°F) |
2.9 ° C (37.2°F) |
% 53 | 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 | Patchy rain nearby |
1.8 ° C (35.2°F) |
4.1 ° C (39.4°F) |
3 ° C (37.4°F) |
% 57 | 82% | 0 | Sunrise:07:17 AM Sunset: 04:44 PM |
Moonrise:09:29 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
3.2 ° C (37.7°F) |
8.5 ° C (47.2°F) |
6.5 ° C (43.7°F) |
% 92 | 0% | 2 | 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 |
8.3 ° C (47°F) |
13.3 ° C (56°F) |
11.3 ° C (52.4°F) |
% 97 | 68% | 3 | 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 |
11.9 ° C (53.4°F) |
16.6 ° C (61.8°F) |
14.8 ° C (58.7°F) |
% 86 | 0% | 4 | 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 |
11.5 ° C (52.7°F) |
23.1 ° C (73.6°F) |
16.7 ° C (62.1°F) |
% 81 | 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 |
6 ° C (42.7°F) |
8.1 ° C (46.7°F) |
8.7 ° C (47.7°F) |
% 67 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:47 PM |
Moonrise:11:40 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
2.3 ° C (36.2°F) |
6.3 ° C (43.3°F) |
4.2 ° C (39.5°F) |
% 51 | 0% | 2 | 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 |
1.4 ° C (34.6°F) |
3.7 ° C (38.6°F) |
4.8 ° C (40.7°F) |
% 75 | 85% | 1 | 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 |
4.7 ° C (40.4°F) |
8.6 ° C (47.4°F) |
7.6 ° C (45.8°F) |
% 65 | 0% | 3 | 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 |
0.9 ° C (33.6°F) |
5.7 ° C (42.2°F) |
2.8 ° C (37°F) |
% 55 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:50 PM |
Moonrise:01:53 PM Moonset: 04:26 AM Moon Phase ( Waxing Gibbous ) |
|