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Northeast braces for coldest weekend of winter. See how low temps will plunge. Chevron right

St. Clair, MO

48°F
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St. Clair

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St. Clair, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, February 6

Current Weather

10:11 AM

48°F
Sunny
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel®
45°
RealFeel Shade™
42°
Max UV Index
1.8 (Low)
Wind
NW 10 mph
Wind Gusts
21 mph
Humidity
67%
Indoor Humidity
33% (Slightly Dry)
Dew Point
38° F
Pressure
↑ 29.89 in
Cloud Cover
1%
Visibility
13 mi
Cloud Ceiling
40000 ft

Day

2/6
49°Hi
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Mostly sunny and breezy

Max UV Index3.0 (Moderate)

AccuLumen Brightness Index™9 (Very Bright)

WindNW 14 mph

Wind Gusts30 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover14%

Morning

Afternoon

Night

2/6
24°Lo
RealFeel® 22°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Mainly clear

WindN 7 mph

Wind Gusts17 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover11%

Evening

Overnight

Sun & Moon

10 hrs 27 mins
Rise 7:05 AM
Set 5:32 PM
Waning Gibbous
Rise 10:53 PM
Set 9:44 AM

Temperature History

2/6
High
Low
Forecast
49°
24°
Average
44°
24°
Last Year
40°
23°

Further Ahead

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World North America United States Missouri St. Clair

Weather Near St. Clair:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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