Hourly Weather Forecast - Herculaneum, MO

12 AM
64°F
0%
1mph
NNE
Mostly Clear
Humidity
64%
Feels like
64°F
Dew Point
51°F
1 AM
62°F
0%
2mph
NE
Mostly Clear
Humidity
66%
Feels like
62°F
Dew Point
50°F
2 AM
60°F
0%
2mph
NE
Clear
Humidity
69%
Feels like
60°F
Dew Point
50°F
3 AM
58°F
0%
2mph
NE
Clear
Humidity
72%
Feels like
58°F
Dew Point
49°F
4 AM
57°F
0%
2mph
NE
Clear
Humidity
76%
Feels like
57°F
Dew Point
49°F
5 AM
55°F
0%
1mph
NE
Clear
Humidity
81%
Feels like
55°F
Dew Point
49°F
6 AM
53°F
0%
1mph
ENE
Clear
Humidity
84%
Feels like
53°F
Dew Point
49°F
7 AM
54°F
0%
2mph
ENE
Clear
Humidity
86%
Feels like
54°F
Dew Point
50°F
7:03 AM
8 AM
57°F
0%
2mph
ENE
Sunny
Humidity
83%
Feels like
57°F
Dew Point
52°F
9 AM
61°F
0%
1mph
ENE
Sunny
Humidity
78%
Feels like
61°F
Dew Point
54°F
10 AM
66°F
0%
2mph
E
Sunny
Humidity
71%
Feels like
66°F
Dew Point
56°F
11 AM
71°F
0%
2mph
ESE
Sunny
Humidity
62%
Feels like
71°F
Dew Point
57°F
12 PM
76°F
0%
3mph
SE
Sunny
Humidity
54%
Feels like
76°F
Dew Point
58°F
1 PM
80°F
0%
3mph
SE
Sunny
Humidity
47%
Feels like
80°F
Dew Point
57°F
2 PM
82°F
0%
2mph
SSE
Sunny
Humidity
43%
Feels like
82°F
Dew Point
57°F
3 PM
84°F
0%
2mph
SSW
Sunny
Humidity
39%
Feels like
83°F
Dew Point
56°F
4 PM
84°F
0%
2mph
SW
Sunny
Humidity
37%
Feels like
83°F
Dew Point
55°F
5 PM
83°F
0%
2mph
SSW
Sunny
Humidity
37%
Feels like
82°F
Dew Point
54°F
6 PM
81°F
0%
2mph
SSE
Sunny
Humidity
42%
Feels like
81°F
Dew Point
55°F
7 PM
78°F
0%
3mph
SE
Sunny
Humidity
48%
Feels like
78°F
Dew Point
57°F
7:14 PM
8 PM
75°F
0%
4mph
SSE
Clear
Humidity
52%
Feels like
75°F
Dew Point
57°F
9 PM
73°F
0%
4mph
SSE
Clear
Humidity
56%
Feels like
73°F
Dew Point
56°F
10 PM
71°F
0%
4mph
S
Clear
Humidity
62%
Feels like
71°F
Dew Point
57°F
11 PM
69°F
0%
5mph
S
Clear
Humidity
64%
Feels like
69°F
Dew Point
57°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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