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Weather for Herculaneum, MOHerculaneum, MO Weather & Current Conditions

63048 Weather (Herculaneum, MO)

Herculaneum, MO WeatherCurrent Conditions and Weather for Herculaneum, Missouri
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Clear at Herculaneum (63048), temperature is 81°F27°C, dew point 69°F21°C, humidity 67%. Wind direction is NNE at 5 mphat 8 km/h with visibility of 10 mi16 km. Barometric pressure is 29.93 in1014 mb. Last update: 10:59 am.*
*Time is approximately 10:59 am Sun, Sep 20, 2026. Time will be within 15 minutes of current local time. Herculaneum weather forecast data is updated every 15 minutes.

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Sopping, and with no sign of stopping, either- then a breather. Warm again, storm again- what is the norm, again? It's fine, it's not, it's suddenly hot: Boom, crash, lightning flash! ―The Old Farmer's Almanac
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Herculaneum MO Weather - 11:59 am

Herculaneum Weather Forecast

Weather forecast for: Herculaneum MO
Last Update: 10:26 am CDT Sep 20, 2026
Today: Partly sunny, with a high near 91. West wind 3 to 5 mph.
Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Light north wind. Chance of precipitation is 60%.
Monday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.
Monday Night: Mostly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.
Tuesday: Mostly cloudy, with a high near 74. Northeast wind 3 to 8 mph.
Tuesday Night: Mostly cloudy, with a low around 53.
Wednesday: Mostly sunny, with a high near 75.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 75.
Thursday Night: Partly cloudy, with a low around 54.
Friday: Mostly sunny, with a high near 77.
Friday Night: Mostly cloudy, with a low around 55.
Saturday: Partly sunny, with a high near 79.

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