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Weather in St Clair, Missouri, USA

Now
37 °F

Passing clouds.


Feels Like: 37 °F
Forecast: 53 / 33 °F
Wind: No wind

Location: Washington Regional Airport
Current Time: Dec 9, 2025 at 5:21:51 am
Latest Report: Dec 9, 2025 at 4:55 am
Visibility: 10 mi
Pressure: 30.00 "Hg
Humidity: 75%
Dew Point: 30 °F
Location of St ClairLocation

Upcoming 5 hours

Now6:00 am7:00 am8:00 am9:00 am10:00 am
37 °F37 °F37 °F38 °F40 °F44 °F

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Forecast for the next 48 hours

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 TuesdayWednesday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature36 °F40 °F52 °F47 °F47 °F38 °F37 °F
Overcast.Mostly sunny.Overcast.Overcast.Overcast.Cloudy.Partly cloudy.
Feels Like27 °F34 °F47 °F41 °F40 °F29 °F29 °F
Wind Speed12 mph11 mph13 mph17 mph18 mph18 mph13 mph
Wind DirectionSSW
SW
SSW
SW
W
WNW
NW
Humidity68%63%46%56%64%62%58%
Dew Point26 °F29 °F32 °F33 °F36 °F26 °F24 °F
Visibility8 mi7 mi8 mi7 mi5 mi5 mi7 mi
Probability of Precipitation0%0%0%0%0%1%0%
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 Tuesday, December 9, 2025 1:42:35 am St Clair time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Passing clouds. 39 / 25 °F
Humidity: 69%. Wind: 3 mph from Southeast

More weather last week

Currently at nearby stations

37 °F

Spirit Of St. Louis Airport: (28 mi)

Clear.

36 °F

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

Mostly cloudy.

34 °F

Rolla National Airport: (45 mi)

Clear.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
7
8

View historic weather

24
25
26
27

Detailed forecast for 14 days