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Weather in St Clair, Missouri, USA

Now
30 °F

Passing clouds.


Feels Like: 23 °F
Forecast: 30 / 17 °F
Wind: 8 mph from North

Location: Washington Regional Airport
Current Time: Feb 4, 2026 at 12:54:05 am
Latest Report: Feb 4, 2026 at 12:35 am
Visibility: 10 mi
Pressure: 30.31 "Hg
Humidity: 80%
Dew Point: 25 °F

Upcoming 5 hours

Now 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am
30 °F 24 °F 24 °F 23 °F 23 °F 22 °F

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Forecast for the next 48 hours

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  Wednesday Thursday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 23 °F 23 °F 29 °F 21 °F 18 °F 26 °F 41 °F
Overcast. Mostly cloudy. Partly cloudy. Clear. Clear. Overcast. Overcast.
Feels Like 19 °F 16 °F 22 °F 21 °F 18 °F 19 °F 34 °F
Wind Speed 3 mph 6 mph 7 mph 0 mph 3 mph 6 mph 10 mph
Wind Direction NNW
N
N
- WSW
SW
SW
Humidity 72% 68% 55% 69% 79% 70% 55%
Dew Point 15 °F 14 °F 15 °F 12 °F 13 °F 17 °F 26 °F
Visibility 5 mi 7 mi 10 mi 6 mi 5 mi 8 mi 8 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Tuesday, February 3, 2026 7:42:50 pm St Clair time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Sunny. 39 / 30 °F
Humidity: 73%. Wind: 5 mph from North

More weather last week

Currently at nearby stations

30 °F

Spirit Of St. Louis Airport: (28 mi)

Overcast. (1 hour ago)

30 °F

Lambert-St. Louis International Airport: (43 mi)

Overcast. (1 hour ago)

27 °F

Rolla National Airport: (45 mi)

Overcast. (1 hour ago)

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Forecast for the next 2 weeks

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View historic weather

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21

Detailed forecast for 14 days