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.
| 20 September 2026 Sunday 32.8 ° C / 91°F ![]() Overcast |
Feels Like : 33 ° C / 91.4°F Humidity : % 36 Pressure : 1009 mb Wind Speed : 8.6 kmph / 5.4 miles from NW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 91 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 September 2026 Sunday | Overcast |
21 ° C (69.8°F) |
32.9 ° C (91.2°F) |
26.5 ° C (79.7°F) |
% 55 | 57% | 7.3 | Sunrise:06:50 AM Sunset: 07:04 PM |
Moonrise:04:17 PM Moonset: 12:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Patchy rain nearby |
16.6 ° C (61.9°F) |
23.8 ° C (74.9°F) |
20.5 ° C (69°F) |
% 89 | 88% | 3.8 | Sunrise:06:50 AM Sunset: 07:03 PM |
Moonrise:04:49 PM Moonset: 01:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Patchy rain nearby |
14.6 ° C (58.4°F) |
21.6 ° C (70.8°F) |
17.8 ° C (64.1°F) |
% 78 | 24% | 4.4 | Sunrise:06:51 AM Sunset: 07:01 PM |
Moonrise:05:16 PM Moonset: 02:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
12.5 ° C (54.4°F) |
23.8 ° C (74.8°F) |
17.7 ° C (63.8°F) |
% 66 | 5% | 6.8 | Sunrise:06:52 AM Sunset: 06:59 PM |
Moonrise:05:40 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
12 ° C (53.6°F) |
23.7 ° C (74.7°F) |
17.5 ° C (63.6°F) |
% 74 | 15% | 6.8 | Sunrise:06:53 AM Sunset: 06:58 PM |
Moonrise:06:02 PM Moonset: 04:55 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
13.5 ° C (56.4°F) |
23.5 ° C (74.4°F) |
18.4 ° C (65.1°F) |
% 70 | 13% | 5 | Sunrise:06:54 AM Sunset: 06:56 PM |
Moonrise:06:24 PM Moonset: 05:54 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
14.6 ° C (58.3°F) |
19.9 ° C (67.9°F) |
16.2 ° C (61.2°F) |
% 50 | 11% | 4 | Sunrise:06:55 AM Sunset: 06:55 PM |
Moonrise:06:46 PM Moonset: 06:55 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Partly Cloudy |
14.3 ° C (57.8°F) |
25.2 ° C (77.3°F) |
18.6 ° C (65.5°F) |
% 41 | 5% | 6 | Sunrise:06:56 AM Sunset: 06:53 PM |
Moonrise:07:09 PM Moonset: 07:57 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
12.9 ° C (55.2°F) |
25.8 ° C (78.5°F) |
18.9 ° C (66°F) |
% 52 | 2% | 7 | Sunrise:06:57 AM Sunset: 06:52 PM |
Moonrise:07:36 PM Moonset: 09:01 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
14.7 ° C (58.4°F) |
28.3 ° C (83°F) |
20.3 ° C (68.5°F) |
% 61 | 57% | 7 | Sunrise:06:58 AM Sunset: 06:50 PM |
Moonrise:08:08 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
14.4 ° C (57.9°F) |
22.7 ° C (72.8°F) |
18 ° C (64.4°F) |
% 86 | 84% | 6 | Sunrise:06:58 AM Sunset: 06:48 PM |
Moonrise:08:47 PM Moonset: 11:16 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
8.2 ° C (46.8°F) |
16.7 ° C (62°F) |
12.3 ° C (54.1°F) |
% 63 | 57% | 5 | Sunrise:06:59 AM Sunset: 06:47 PM |
Moonrise:09:35 PM Moonset: 12:24 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
5.6 ° C (42.1°F) |
18.2 ° C (64.8°F) |
11.1 ° C (52°F) |
% 55 | 3% | 5 | Sunrise:07:00 AM Sunset: 06:45 PM |
Moonrise:10:34 PM Moonset: 01:29 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
8 ° C (46.4°F) |
23.9 ° C (75.1°F) |
15.7 ° C (60.2°F) |
% 51 | 10% | 6 | Sunrise:07:01 AM Sunset: 06:44 PM |
Moonrise:11:41 PM Moonset: 02:26 PM Moon Phase ( Last Quarter ) |
|