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St. Mary, MO

69°F
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St. Mary

Missouri

69°
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St. Mary, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

RealFeel Shade™67°

WindSW 10 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts12 mph

Humidity57%

Indoor Humidity57% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling17800 ft

10 AM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™68°

WindWSW 10 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts13 mph

Humidity54%

Indoor Humidity54% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

11 AM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™69°

WindWSW 10 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts12 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling12100 ft

12 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™71°

WindWSW 9 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts12 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9500 ft

1 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 11%
Chevron down
Cloudy

RealFeel Shade™72°

WindW 9 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts12 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6900 ft

2 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

RealFeel Shade™71°

WindWNW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts12 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7000 ft

3 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

RealFeel Shade™69°

WindNW 9 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts10 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7000 ft

4 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 30%
Chevron down
Cloudy

RealFeel Shade™67°

WindNW 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

69°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 57%
Chevron down
Thunderstorms

RealFeel Shade™64°

WindNNW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™67°

WindN 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

67°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 57%
Chevron down
Thunderstorms

RealFeel Shade™61°

WindNNE 8 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindNNE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity79%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling5700 ft

9 PM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 52%
Chevron down
Showers

WindNNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity85%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Rain0.02 in

Visibility7 mi

Cloud Ceiling4300 ft

10 PM

62°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 52%
Chevron down
Showers

WindNNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.02 in

Visibility6 mi

Cloud Ceiling3000 ft

11 PM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Mostly cloudy

WindNNE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity88%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling2500 ft

Hourly Weather Forecast for St. Mary

AccuWeather's hourly forecast for St. Mary provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 70° with a RealFeel® of 68°, cloudy with a 5% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near St. Mary:

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