Herculaneum, MO Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Herculaneum, MO in one place.
Partly sunny, with a high near 82.
Local Weather Overview
This forecast page for Herculaneum, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 28, 2026 12:45 AM CDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Herculaneum, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 12:45 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Herculaneum
Monday looks like the warmest upcoming period in Herculaneum at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 7 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 12:45 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 60.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Sunny, with a high near 83.
Clear, with a low around 57.
Sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
82°F |
0 to 5 mph
NE
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
60°F |
0 to 3 mph
E
|
|
Sunday
May 31
|
Partly Sunny then Slight Chance Rain Showers
|
82°F |
1 to 5 mph
E
|
|
Sunday Night
May 31
|
Slight Chance Rain Showers then Partly Cloudy
|
60°F |
0 to 3 mph
NE
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Rain Showers
|
84°F |
0 to 5 mph
NE
|
|
Monday Night
Jun 1
|
Slight Chance Rain Showers then Partly Cloudy
|
59°F |
0 to 5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
83°F |
1 to 7 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
57°F |
0 to 6 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Herculaneum.
