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O'Fallon, MO

43°F
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O'Fallon

Missouri

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O'Fallon, MO Weather
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1 PM

43°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™31°

WindWNW 16 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts31 mph

Humidity59%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

43°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™33°

WindWNW 16 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts30 mph

Humidity52%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

44°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™34°

WindWNW 15 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts29 mph

Humidity47%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

43°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™35°

WindWNW 14 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts25 mph

Humidity48%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

42°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityFair

Wind Gusts22 mph

Humidity50%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

41°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 13%
Chevron down
Partly cloudy

WindWSW 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity52%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

39°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 12 mph

Air QualityFair

Wind Gusts20 mph

Humidity57%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

38°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 14 mph

Air QualityFair

Wind Gusts21 mph

Humidity60%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

38°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 15 mph

Air QualityFair

Wind Gusts22 mph

Humidity61%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

36°
RealFeel® 23°
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
rain drop 0%
Chevron down
Mostly clear

WindWNW 15 mph

Air QualityFair

Wind Gusts22 mph

Humidity65%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

34°
RealFeel® 21°
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
rain drop 0%
Chevron down
Mostly clear

WindWNW 15 mph

Air QualityFair

Wind Gusts23 mph

Humidity64%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Missouri O'Fallon

Weather Near O'Fallon:

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