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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

St. Clair, MO

74°F
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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
Thursday, March 19

Current Weather

2:08 PM

74°F
Mostly sunny
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
80°
RealFeel Shade™
72°
Max UV Index
4.0 (Moderate)
Wind
S 3 mph
Wind Gusts
8 mph
Humidity
37%
Indoor Humidity
37% (Ideal Humidity)
Dew Point
47° F
Pressure
↓ 30.01 in
Cloud Cover
30%
Visibility
20 mi
Cloud Ceiling
33000 ft

Day

3/19
78°Hi
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Very warm with some clouds, then sunshine

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™8 (Bright)

WindSW 5 mph

Wind Gusts13 mph

Probability of Precipitation25%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover32%

Morning

Afternoon

Night

3/19
50°Lo
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Clear

WindSW 5 mph

Wind Gusts9 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover4%

Evening

Overnight

Sun & Moon

12 hrs 06 mins
Rise 7:09 AM
Set 7:15 PM
Waxing Crescent
Rise 7:18 AM
Set 8:18 PM

Temperature History

3/19
High
Low
Forecast
78°
50°
Average
59°
35°
Last Year
72°
35°

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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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