St Clair Regional Airport Weather Forecast 15 Days, Weather in KK39 Today
Current weather conditions and 15 day weather forecast for St Clair Regional 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 Clair Regional Airport
| 08 May 2026 Friday 10.6 ° C / 51.1°F  Clear |
Feels Like : 9.3 ° C / 48.8°F Humidity : % 74 Pressure : 1014 mb Wind Speed : 10.1 kmph / 6.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St Clair Regional Airport, MO, USA
Weather Forecast for next 15 Days for St Clair Regional 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 Clair Regional 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 May 2026 Friday |  Moderate rain |
8.6 ° C (47.5°F) |
23.8 ° C (74.8°F) |
15.5 ° C (60°F) |
% 68 | 89% | 7.5 | Sunrise:05:59 AM Sunset: 08:02 PM |
Moonrise:01:30 AM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Sunny |
9.3 ° C (48.8°F) |
25.4 ° C (77.7°F) |
17.2 ° C (62.9°F) |
% 71 | 0% | 8.1 | Sunrise:05:58 AM Sunset: 08:03 PM |
Moonrise:02:01 AM Moonset: 12:17 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday |  Patchy rain nearby |
8.3 ° C (46.9°F) |
17.9 ° C (64.2°F) |
14.2 ° C (57.5°F) |
% 78 | 0% | 5.7 | Sunrise:05:57 AM Sunset: 08:04 PM |
Moonrise:02:28 AM Moonset: 01:22 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
5.6 ° C (42.1°F) |
20.7 ° C (69.3°F) |
13.2 ° C (55.8°F) |
% 68 | 0% | 8.1 | Sunrise:05:56 AM Sunset: 08:05 PM |
Moonrise:02:53 AM Moonset: 02:26 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
8.8 ° C (47.8°F) |
24.5 ° C (76.1°F) |
14.9 ° C (58.8°F) |
% 71 | 0% | 0.2 | Sunrise:05:55 AM Sunset: 08:06 PM |
Moonrise:03:17 AM Moonset: 03:34 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
10.6 ° C (51.1°F) |
19.8 ° C (67.6°F) |
15.2 ° C (59.3°F) |
% 74 | 0% | 5 | Sunrise:05:54 AM Sunset: 08:07 PM |
Moonrise:03:41 AM Moonset: 04:43 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
7.5 ° C (45.5°F) |
22.3 ° C (72.1°F) |
14.7 ° C (58.4°F) |
% 72 | 72% | 3 | Sunrise:05:54 AM Sunset: 08:08 PM |
Moonrise:04:08 AM Moonset: 05:57 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
12.8 ° C (55°F) |
24.3 ° C (75.8°F) |
18 ° C (64.4°F) |
% 89 | 89% | 4 | Sunrise:05:53 AM Sunset: 08:09 PM |
Moonrise:04:38 AM Moonset: 07:15 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
11.2 ° C (52.1°F) |
20.7 ° C (69.3°F) |
15.4 ° C (59.8°F) |
% 75 | 0% | 5 | Sunrise:05:52 AM Sunset: 08:10 PM |
Moonrise:05:16 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
7.7 ° C (45.8°F) |
24.6 ° C (76.2°F) |
15.5 ° C (59.8°F) |
% 70 | 0% | 5 | Sunrise:05:51 AM Sunset: 08:10 PM |
Moonrise:06:03 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
12 ° C (53.6°F) |
29.2 ° C (84.5°F) |
20 ° C (68°F) |
% 67 | 0% | 5 | Sunrise:05:50 AM Sunset: 08:11 PM |
Moonrise:07:01 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
17.5 ° C (63.4°F) |
28.7 ° C (83.7°F) |
22.8 ° C (73°F) |
% 70 | 88% | 5 | Sunrise:05:50 AM Sunset: 08:12 PM |
Moonrise:08:10 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
16.2 ° C (61.2°F) |
25.7 ° C (78.3°F) |
20.8 ° C (69.4°F) |
% 78 | 86% | 5 | Sunrise:05:49 AM Sunset: 08:13 PM |
Moonrise:09:25 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
13.6 ° C (56.4°F) |
29 ° C (84.2°F) |
20.9 ° C (69.6°F) |
% 67 | 81% | 5 | Sunrise:05:48 AM Sunset: 08:14 PM |
Moonrise:10:40 AM Moonset: 12:43 AM Moon Phase ( Waxing Crescent ) |
|
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