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Weather in St. Clair, Missouri, USA

Now
50 °F

Sunny.


Feels Like: 50 °F
Forecast: 88 / 52 °F
Wind: No wind

Location: Washington Regional Airport
Current Time: Mar 21, 2026 at 8:42:40 am
Latest Report: Mar 21, 2026 at 7:55 am
Visibility: 10 mi
Pressure: 29.88 "Hg
Humidity: 94%
Dew Point: 48 °F
Location of St. ClairLocation

Upcoming 5 hours

Now9:00 am10:00 am11:00 am12:00 pm1:00 pm
50 °F59 °F66 °F73 °F79 °F82 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature59 °F87 °F74 °F68 °F69 °F85 °F56 °F
Sunny.Sunny.Clear.Clear.Scatt­erred clouds.Overcast.Overcast.
Feels Like59 °F85 °F77 °F68 °F69 °F84 °F52 °F
Wind Speed3 mph5 mph6 mph9 mph11 mph11 mph13 mph
Wind DirectionSSE
WSW
SSW
SSW
SW
WNW
N
Humidity70%32%51%63%64%37%64%
Dew Point49 °F54 °F55 °F55 °F56 °F56 °F44 °F
Visibility7 mi8 mi6 mi6 mi7 mi7 mi7 mi
Probability of Precipitation4%0%0%0%0%0%1%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"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-dayHour-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

49 °F

Spirit Of St. Louis Airport: (28 mi)

Sunny.

59 °F

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

Scattered clouds.

59 °F

Rolla National Airport: (45 mi)

Sunny.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days