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Herculaneum, MO Weather Forecast

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Herculaneum, MO Weather Forecast

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Herculaneum MO weather - Clear - 75°F
Clear
75°F
Updated 3:42 am
Feels Like 74°F
Humidity 61%
Wind N 0 mph
Barometer  29.86 in
Dew Point 61°F
Herculaneum MO weather - Clear - 24°C
Clear
24°C
Updated 3:42 am
Feels Like 23°C
Humidity 61%
Wind N 0 km/h
Barometer  101.1 kPa
Dew Point 16°C
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Herculaneum Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Herculaneum, MO Weather - Rest Of Tonight Partly Cloudy Herculaneum, MO Weather - Sunday Mostly Sunny Herculaneum, MO Weather - Sunday Night Chance Of T-Storm Herculaneum, MO Weather - Monday Chance Of T-Storm Herculaneum, MO Weather - Monday Night Chance Of Showers Herculaneum, MO Weather - Tuesday Mostly Cloudy Herculaneum, MO Weather - Tuesday Night Mostly Cloudy Herculaneum, MO Weather - Wednesday Partly Cloudy Herculaneum, MO Weather - Thursday Partly Cloudy Herculaneum, MO Weather - Friday Partly Sunny Herculaneum, MO Weather - Friday Night Partly Cloudy Herculaneum, MO Weather - Saturday Partly Cloudy
Partly Cloudy Mostly Sunny Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Partly Cloudy Partly Cloudy
Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
 Lo: 69°FLo: 21°C Hi: 80°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C		 Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 50% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Sun Sep 20 2026 Herculaneum, MO Weather - WeatherWorld.com

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Issued: 320 AM CDT Sun Sep 20 2026

Key Messages

  • A cold front begins slowly moving through the region today bringing cooler temperatures the rest of the week.
  • Thunderstorms along the front tonight bring the best chance for rain all week.

Aviation

/00Z TAFS THROUGH 06Z MONDAY/... Issued at 1047 PM CDT Sat Sep 19 2026

Area of showers and a few thunderstorms over north central Missouri is expected to move just north of UIN over the next several hours, however still expect the chances for showers will increase at UIN late tonight into Sun...