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El Nino to play a major role this hurricane season. Here's how many storms AccuWeather experts are predicting. Chevron right

Herculaneum, MO

34°F
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Herculaneum, MO Weather
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6 AM

31°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Freeze Warning

1:00 AM Saturday - 9:00 AM Saturday

WindNNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity67%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

30°
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
Sunny
alerts

Freeze Warning

1:00 AM Saturday - 9:00 AM Saturday

RealFeel Shade™26°

WindNE 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity72%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

32°
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
Sunny
alerts

Freeze Warning

1:00 AM Saturday - 9:00 AM Saturday

RealFeel Shade™28°

WindNE 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity65%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

35°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™30°

WindENE 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts9 mph

Humidity57%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

40°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™35°

WindENE 7 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts12 mph

Humidity48%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

44°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™40°

WindE 7 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts10 mph

Humidity41%

Indoor Humidity32% (Dry)

Dew Point21° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

47°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™44°

WindESE 7 mph

Air QualityFair

Max UV Index5.5 (Moderate)

Wind Gusts9 mph

Humidity36%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

50°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™47°

WindESE 7 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts8 mph

Humidity33%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

53°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™50°

WindSE 7 mph

Air QualityFair

Max UV Index5.5 (Moderate)

Wind Gusts10 mph

Humidity30%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

55°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™52°

WindSE 8 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts12 mph

Humidity28%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

56°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™53°

WindSSE 8 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts13 mph

Humidity28%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

57°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™54°

WindSSE 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts13 mph

Humidity28%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

55°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™52°

WindSE 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts13 mph

Humidity32%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

53°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™50°

WindSE 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity37%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

50°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSE 7 mph

Air QualityFair

Wind Gusts13 mph

Humidity42%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity46%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSSE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity51%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity55%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Missouri Herculaneum

Weather Near Herculaneum:

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