current weather for Saint Clair County (USA)
Saint Clair County is located near Shiloh at 1mi↑, OFallon at 3mi↑, Scott Air Force Base at 4mi↑, Swansea at 4mi↑, Belleville at 4mi↑,
Elevation : 614ft
currently : 75°F few clouds at Saint Clair County
The current temperature is 75°F, the felt temperature is 77°F.
Wind direction from West with a speed of 7mph with gusts at 13mph.
The air is extremely humid : relative air humidity is 85 %.
Pressure is 30inHg.
weather last updated 8341 minutes
Sun rises in 9h04 and the sun is setting in 21h46. The duration of the night is 11h17.
For more details on weather observations and short-term forecasts, see the aeronautical weather provided by Scott AFB/Midamerica airport.
Coming to Saint Clair County
Hotels : book on Hotels.com Booking Expedia Abritel Stay22
Taxi : book on Taxi Booking
By plane :
- Scott AFB/Midamerica airport at 4mi : book on Trip.com
- Saint Louis Downtown airport at 13mi : book on Trip.com
- Saint Louis Regional airport at 25mi : book on Trip.com
Weather forecast for Saint Clair County (USA)
Friday, August 7, 2026
Sky will be covered by cloud a large part of the night and the day will be sunny.
the temperature will range from 73°F to 88°F
wind speed up to 12mph
6h
74°F
Few clouds
The air is extremely humid : relative air humidity is 85 %.
pressure is 30inHg
Wind direction from West 6mph with gusts at 10mph
9h
73°F
Few clouds
The air is extremely humid : relative air humidity is 86 %.
pressure is 30inHg
Wind direction from West 4mph with gusts at 6mph
12h
78°F
Sky clear
The air is very humid : relative air humidity is 74 %.
pressure is 30inHg
Wind direction from West 4mph with gusts at 7mph
15h
86°F
Sky clear
The air is very humid : relative air humidity is 62 %.
pressure is 30inHg
Wind direction from South West 5mph with gusts at 5mph
18h
88°F
Sky clear
The air is humid : relative air humidity is 58 %.
pressure is 30inHg
Wind direction from South 6mph with gusts at 8mph
21h
83°F
Sky clear
The air is very humid : relative air humidity is 75 %.
pressure is 30inHg
Wind direction from South East 7mph with gusts at 13mph
Saturday, August 8, 2026
Sky will be clear all night long and the day will be sunny.
the temperature will range from 70°F to 90°F
wind speed up to 29mph
0h
76°F
Sky clear
The air is very humid : relative air humidity is 76 %.
pressure is 30inHg
Wind direction from South 7mph with gusts at 15mph
3h
72°F
Sky clear
The air is extremely humid : relative air humidity is 84 %.
pressure is 30inHg
Wind direction from South 7mph with gusts at 19mph
6h
70°F
Sky clear
The air is extremely humid : relative air humidity is 89 %.
pressure is 30inHg
Wind direction from South 6mph with gusts at 11mph
9h
70°F
Sky clear
The air is almost saturated with water : relative air humidity is 93 %.
pressure is 30inHg
Wind direction from South 9mph with gusts at 19mph
12h
81°F
Sky clear
The air is very humid : relative air humidity is 73 %.
pressure is 30inHg
Wind direction from South 10mph with gusts at 14mph
15h
88°F
Sky clear
The air is humid : relative air humidity is 54 %.
pressure is 30inHg
Wind direction from South 12mph with gusts at 15mph
18h
90°F
Sky clear
The air is humid : relative air humidity is 56 %.
pressure is 30inHg
Wind direction from South 14mph with gusts at 19mph
21h
83°F
Sky clear
The air is very humid : relative air humidity is 71 %.
pressure is 30inHg
Wind direction from South 14mph with gusts at 29mph
Sunday, August 9, 2026
Sky will be clear all night long and the day will be dominated by the sun.
the temperature will range from 72°F to 95°F
wind speed up to 29mph
high heat alert with 95°F at Saint Clair County
0h
78°F
Sky clear
The air is very humid : relative air humidity is 72 %.
pressure is 30inHg
Wind direction from South 11mph with gusts at 28mph
3h
75°F
Sky clear
The air is extremely humid : relative air humidity is 84 %.
pressure is 30inHg
Wind direction from South 12mph with gusts at 29mph
6h
72°F
Few clouds
The air is almost saturated with water : relative air humidity is 93 %.
pressure is 30inHg
Wind direction from South 10mph with gusts at 28mph
9h
71°F
Few clouds
The air is almost saturated with water : relative air humidity is 93 %.
pressure is 30inHg
Wind direction from South 7mph with gusts at 16mph
12h
82°F
Broken clouds
The air is very humid : relative air humidity is 73 %.
pressure is 30inHg
Wind direction from South 9mph with gusts at 13mph
15h
93°F
Scattered clouds
The air is humid : relative air humidity is 50 %.
pressure is 30inHg
Wind direction from South 14mph with gusts at 18mph
18h
96°F
Sky clear
The air is moderately humid : relative air humidity is 47 %.
pressure is 30inHg
Wind direction from South 13mph with gusts at 19mph
21h
86°F
Sky clear
The air is very humid : relative air humidity is 67 %.
pressure is 30inHg
Wind direction from South 10mph with gusts at 26mph
Monday, August 10, 2026
Sky will be covered with cloud all the night and the day will be very cloudy with may be a small apparition of the sun
the temperature will range from 75°F to 99°F
wind speed up to 32mph
high heat alert with 99°F at Saint Clair County
0h
84°F
Scattered clouds
The air is very humid : relative air humidity is 60 %.
pressure is 30inHg
Wind direction from South 12mph with gusts at 30mph
3h
80°F
Broken clouds
The air is very humid : relative air humidity is 68 %.
pressure is 30inHg
Wind direction from South 11mph with gusts at 32mph
6h
78°F
Overcast
The air is very humid : relative air humidity is 69 %.
pressure is 30inHg
Wind direction from South 8mph with gusts at 26mph
9h
75°F
Overcast
The air is very humid : relative air humidity is 78 %.
pressure is 30inHg
Wind direction from South West 8mph with gusts at 28mph
12h
86°F
Sky clear
The air is very humid : relative air humidity is 62 %.
pressure is 30inHg
Wind direction from South West 13mph with gusts at 26mph
15h
96°F
Scattered clouds
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from South West 12mph with gusts at 18mph
18h
99°F
Overcast
The air is a little humid : relative air humidity is 39 %.
pressure is 30inHg
Wind direction from South 10mph with gusts at 16mph
21h
90°F
Overcast
The air is humid : relative air humidity is 59 %.
pressure is 30inHg
Wind direction from South West 8mph with gusts at 14mph
Tuesday, August 11, 2026
Sky will be covered with cloud all the night, there will be nightly rain and the day will be sunny. 0in rain in 24h.
the temperature will range from 72°F to 93°F
wind speed up to 34mph
high heat alert with 93°F at Saint Clair County
0h
72°F
Moderate rain
0.1in of rain
The air is almost saturated with water : relative air humidity is 96 %.
pressure is 30inHg
Wind direction from North East 18mph with gusts at 34mph
3h
72°F
Light rain
0.1in of rain
The air is almost saturated with water : relative air humidity is 95 %.
pressure is 30inHg
Wind direction from South West 4mph with gusts at 5mph
6h
71°F
Overcast
The air is almost saturated with water : relative air humidity is 94 %.
pressure is 30inHg
Wind direction from North 2mph with gusts at 3mph
9h
74°F
Overcast
The air is almost saturated with water : relative air humidity is 91 %.
pressure is 30inHg
Wind direction from West 0mph with gusts at 0mph
12h
82°F
Sky clear
The air is very humid : relative air humidity is 73 %.
pressure is 30inHg
Wind direction from South 4mph with gusts at 4mph
15h
89°F
Few clouds
The air is humid : relative air humidity is 59 %.
pressure is 30inHg
Wind direction from South 4mph with gusts at 6mph
18h
94°F
Sky clear
The air is humid : relative air humidity is 50 %.
pressure is 30inHg
Wind direction from East 6mph with gusts at 5mph
21h
87°F
Few clouds
The air is very humid : relative air humidity is 75 %.
pressure is 30inHg
Wind direction from East 6mph with gusts at 5mph
Wednesday, August 12, 2026
Sky will be covered with cloud all the night, there will be nightly rain and the day will be cloudy from morning to evening. 0in rain in 24h.
the temperature will range from 73°F to 75°F
wind speed up to 19mph
0h
75°F
Light rain
0.1in of rain
The air is extremely humid : relative air humidity is 86 %.
pressure is 30inHg
Wind direction from South 10mph with gusts at 19mph
3h
73°F
Light rain
0.1in of rain
The air is almost saturated with water : relative air humidity is 93 %.
pressure is 30inHg
Wind direction from South East 6mph with gusts at 8mph
Weather observation and forecast provided by OpenWeatherMap under CC BY-SA 4.0 license amended by aviation weather data.
near
- Hotels in Saint Clair County
- Renaissance Philadelphia Downtown Hotel (Philadelphia) at 795mi↑
- MoMA (New York) at 860mi↑
- Guggenheim Museum Bilbao (Bilbao) at 4339mi↑
- Théâtre Mogador (Paris) at 4374mi↑
- Palais Garnier (Paris) at 4374mi↑
- Le Matissia (Paris) at 4374mi↑
- Théâtre de La Porte Saint-Martin (Paris) at 4375mi↑
- for Memorial Hospital East Shiloh airport at 2mi↑
- for Harold Emmerich airport at 2mi↑
- for Saint Elizabeth's Hospital airport at 2mi↑
Weather news
Tuesday, February 10, 2026
news
Storm Nils is arriving in the Hautes-Pyrénées
Météo France has issued an orange alert bulletin for Wednesday night to Thursday with winds that could exceed 100 km/h in the Hautes-Pyrénées.
Saturday, May 8, 2021
news
Weather alert for thunderstorms and strong winds in the southwest
Météo-France has placed the southwest on orange alert for strong winds and thunderstorms. The winds have already begun to gust early this afternoon. But the worst is yet to come.
Tuesday, October 20, 2020
news
Alerte orange sur les Hautes-Pyrénées, la tempête Barbara arrive
Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…
Monday, October 19, 2020
news
La tempête Barbara souffle à plus de 150 km/h sur les Hautes-Pyrénées
Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…