Hourly Weather Forecast - Herculaneum, MO

12 AM
69°F
0%
5mph
SSW
Clear
Humidity
66%
Feels like
69°F
Dew Point
57°F
1 AM
68°F
0%
5mph
SSW
Clear
Humidity
66%
Feels like
68°F
Dew Point
56°F
2 AM
67°F
0%
5mph
SSW
Clear
Humidity
68%
Feels like
67°F
Dew Point
56°F
3 AM
67°F
0%
6mph
SSW
Clear
Humidity
70%
Feels like
67°F
Dew Point
56°F
4 AM
66°F
0%
6mph
SSW
Clear
Humidity
72%
Feels like
66°F
Dew Point
57°F
5 AM
65°F
0%
6mph
SSW
Clear
Humidity
75%
Feels like
65°F
Dew Point
57°F
6 AM
64°F
0%
6mph
SSW
Clear
Humidity
76%
Feels like
64°F
Dew Point
57°F
7 AM
65°F
0%
6mph
SSW
Clear
Humidity
75%
Feels like
65°F
Dew Point
57°F
7:02 AM
8 AM
68°F
0%
7mph
SSW
Sunny
Humidity
73%
Feels like
68°F
Dew Point
59°F
9 AM
72°F
0%
7mph
SSW
Sunny
Humidity
70%
Feels like
72°F
Dew Point
61°F
10 AM
76°F
0%
7mph
SSW
Sunny
Humidity
64%
Feels like
76°F
Dew Point
63°F
11 AM
80°F
0%
8mph
SSW
Sunny
Humidity
56%
Feels like
80°F
Dew Point
63°F
12 PM
83°F
0%
9mph
SSW
Mostly Sunny
Humidity
49%
Feels like
84°F
Dew Point
62°F
1 PM
86°F
0%
8mph
SW
Partly Cloudy
Humidity
43%
Feels like
86°F
Dew Point
61°F
2 PM
87°F
0%
8mph
SW
Partly Cloudy
Humidity
40%
Feels like
87°F
Dew Point
60°F
3 PM
88°F
10%
8mph
W
Mostly Cloudy
Humidity
38%
Feels like
87°F
Dew Point
59°F
4 PM
87°F
10%
10mph
WNW
Cloudy
Humidity
37%
Feels like
86°F
Dew Point
58°F
5 PM
84°F
10%
9mph
NW
Cloudy
Humidity
37%
Feels like
83°F
Dew Point
55°F
6 PM
79°F
10%
11mph
NNW
Mostly Cloudy
Humidity
42%
Feels like
79°F
Dew Point
54°F
7 PM
75°F
10%
12mph
NNW
Partly Cloudy
Humidity
47%
Feels like
75°F
Dew Point
53°F
7:15 PM
8 PM
70°F
10%
11mph
N
Partly Cloudy
Humidity
51%
Feels like
70°F
Dew Point
51°F
9 PM
65°F
10%
11mph
N
Partly Cloudy
Humidity
52%
Feels like
65°F
Dew Point
47°F
10 PM
61°F
10%
10mph
N
Mostly Clear
Humidity
56%
Feels like
61°F
Dew Point
45°F
11 PM
57°F
0%
10mph
N
Partly Cloudy
Humidity
59%
Feels like
57°F
Dew Point
43°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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