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Springlike warmth in East to be erased by upcoming cold wave. Get the forecast. Chevron right

Herculaneum, MO

50°F
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Herculaneum

Missouri

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

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January 9 - February 7

Fri 1/9

54° /39°
0%
Breezy this morning; otherwise, partly sunny and cooler

RealFeel®53°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindNNW 12 mph

Sat 1/10

47° /22°
60%
Breezy and cooler; cloudy in the morning with a couple of showers, then clouds and sun in the afternoon

RealFeel®40°

RealFeel Shade™37°

Max UV Index2.0 (Low)

WindWNW 15 mph

Sun 1/11

39° /25°
1%
Breezy in the morning; otherwise, mostly sunny

RealFeel®34°

RealFeel Shade™32°

Max UV Index3.0 (Moderate)

WindWNW 12 mph

Mon 1/12

57° /35°
3%
Plenty of sunshine

RealFeel®54°

RealFeel Shade™52°

Max UV Index3.0 (Moderate)

WindWSW 10 mph

Tue 1/13

60° /38°
7%
Intervals of clouds and sun; breezy in the afternoon

RealFeel®56°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindWSW 14 mph

Wed 1/14

42° /23°
11%
Windy and cooler with sun and areas of low clouds

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindNW 20 mph

Thu 1/15

37° /26°
1%
Partial sunshine

RealFeel®44°

RealFeel Shade™39°

Max UV Index3.0 (Moderate)

WindSW 4 mph

Fri 1/16

44° /25°
25%
Mainly cloudy

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindS 7 mph

Sat 1/17

37° /23°
6%
Plenty of sun

RealFeel®33°

RealFeel Shade™30°

Max UV Index3.0 (Moderate)

WindW 9 mph

Sun 1/18

33° /23°
2%
Partly sunny

RealFeel®30°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindW 7 mph

Mon 1/19

40° /23°
3%
Sun and areas of low clouds

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindNW 9 mph

Tue 1/20

39° /25°
25%
Mostly cloudy

RealFeel®39°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindESE 4 mph

Wed 1/21

40° /24°
55%
Clouds and sunshine with a passing shower in the afternoon

RealFeel®39°

RealFeel Shade™39°

Max UV Index3.0 (Moderate)

WindS 7 mph

Thu 1/22

41° /22°
20%
Plenty of sunshine

RealFeel®36°

RealFeel Shade™34°

Max UV Index3.0 (Moderate)

WindSSW 9 mph

Fri 1/23

48° /17°
10%
Mostly sunny

RealFeel®45°

RealFeel Shade™42°

Max UV Index3.0 (Moderate)

WindWSW 10 mph

Sat 1/24

46° /14°
10%
Sunny

RealFeel®42°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindNW 12 mph

Sun 1/25

31° /17°
25%
Cloudy and colder

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindSE 6 mph

Mon 1/26

33° /16°
55%
Considerable cloudiness with a little snow

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindNNW 6 mph

Tue 1/27

33° /14°
5%
Sunshine

RealFeel®35°

RealFeel Shade™29°

Max UV Index3.0 (Moderate)

WindSSE 5 mph

Wed 1/28

35° /30°
10%
Brilliant sunshine

RealFeel®28°

RealFeel Shade™27°

Max UV Index3.0 (Moderate)

WindS 12 mph

Thu 1/29

50° /32°
25%
Cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSSW 13 mph

Fri 1/30

52° /18°
20%
After a cloudy start, sun returns

RealFeel®44°

RealFeel Shade™42°

Max UV Index3.0 (Moderate)

WindWNW 16 mph

Sat 1/31

33° /19°
20%
Colder with plenty of sunshine

RealFeel®38°

RealFeel Shade™35°

Max UV Index3.0 (Moderate)

WindN 6 mph

Sun 2/1

36° /29°
25%
After a cloudy start, sun returns

RealFeel®27°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindS 12 mph

Mon 2/2

48° /18°
20%
Not as cold with sunshine and a few clouds

RealFeel®43°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindWNW 13 mph

Tue 2/3

39° /18°
5%
Plenty of sunshine

RealFeel®40°

RealFeel Shade™35°

Max UV Index3.0 (Moderate)

WindESE 6 mph

Wed 2/4

38° /20°
25%
More clouds than sunshine

RealFeel®30°

RealFeel Shade™30°

Max UV Index2.0 (Low)

WindWNW 10 mph

Thu 2/5

37° /18°
20%
Mostly sunny

RealFeel®44°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindN 4 mph

Fri 2/6

35° /22°
25%
A thick cloud cover

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindE 7 mph

Sat 2/7

36° /18°
25%
Considerable cloudiness

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindNNW 8 mph

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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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