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Weather in St. Clair, Missouri, USA

Now
48 °F

Clear.


Feels Like: 48 °F
Forecast: 88 / 52 °F
Wind: No wind

Location: Washington Regional Airport
Current Time: Mar 21, 2026 at 7:13:55 am
Latest Report: Mar 21, 2026 at 6:35 am
Visibility: 10 mi
Pressure: 29.87 "Hg
Humidity: 100%
Dew Point: 48 °F
Location of St. Clair Location

Upcoming 5 hours

Now 8:00 am 9:00 am 10:00 am 11:00 am 12:00 pm
48 °F 54 °F 59 °F 66 °F 73 °F 79 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 59 °F 87 °F 74 °F 68 °F 69 °F 85 °F 56 °F
Sunny. Sunny. Clear. Clear. Scatt­erred clouds. Overcast. Overcast.
Feels Like 59 °F 85 °F 77 °F 68 °F 69 °F 84 °F 52 °F
Wind Speed 3 mph 5 mph 6 mph 9 mph 11 mph 11 mph 13 mph
Wind Direction SSE
↑ 		WSW
↑ 		SSW
↑ 		SSW
↑ 		SW
↑ 		WNW
↑ 		N
↑
Humidity 70% 32% 51% 63% 64% 37% 64%
Dew Point 49 °F 54 °F 55 °F 55 °F 56 °F 56 °F 44 °F
Visibility 7 mi 8 mi 6 mi 6 mi 7 mi 7 mi 7 mi
Probability of Precipitation 4% 0% 0% 0% 0% 0% 1%
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 Saturday, March 21, 2026 2:42:42 am St. Clair time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 90 / 43 °F
Humidity: 58%. Wind: 2 mph ↑ from West

More weather last week

Currently at nearby stations

47 °F

Spirit Of St. Louis Airport: (28 mi)

Clear. (1 hour ago)

56 °F

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

Passing clouds.

62 °F

Rolla National Airport: (45 mi)

Clear. (1 hour ago)

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
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20

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Detailed forecast for 14 days

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