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Herculaneum, Missouri Weather

Herculaneum, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Herculaneum, Jefferson County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Full aviation weather for Herculaneum is published on the St Louis Downtown Airport (KCPS) page, 39 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Herculaneum have their own pages, listed below.

The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.

Other airports near Herculaneum: Spirit of St Louis Airport (KSUS) 50 km · Creve Coeur Airport (K1H0) 52 km · St. Louis Lambert International Airport (KSTL) 53 km

Conditions reported at KCPS describe the airfield itself. Weather 39 km away can differ, particularly in terrain or near the coast. For conditions at Herculaneum specifically, see the current conditions and forecast above.

🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Herculaneum.

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About Herculaneum, Missouri

Herculaneum lies where the Meramec River, a silver ribbon unwinding from the Missouri Ozarks, meets broader waters, its banks often cloaked in a dense, verdant tapestry of trees. It lies 14.5 miles south-south-west of Oakville, MO (from Oakville, MO: bearing 196°T), and is situated 3.4 miles north-north-east of Festus. The land here rises and falls with a gentle insistence, a landscape shaped by ancient forces and the persistent flow of water, the air often thick with the humid breath of summer or carrying the crisp, clean scent of rain. Sunlight, when it breaks through the canopy, falls in shifting mosaics upon the undergrowth, illuminating the quiet industry of insects and the slow, deliberate movements of the natural world. The character of Herculaneum is one of a place connected to its waterways, a living entity breathing in time with the river's currents. The history of Herculaneum is inextricably linked to the rich veins of minerals that lie beneath its rolling hills, a legacy of mining that once pulsed through its heart, leaving behind an indelible mark on the land and its people. Though the deep shafts and echoing tunnels of that era may have fallen silent, the echo of that industrious past still resonates, a quiet hum beneath the surface of everyday life. The local economy, while perhaps less driven by ore extraction today, still draws sustenance from the surrounding fertile lands and the commerce facilitated by its strategic position on the water. Distinctive to Herculaneum is the enduring spirit of a place that has weathered change, a community whose identity is etched not just in its historical records, but in the very texture of the earth and the unwavering flow of the river that defines its horizon.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Herculaneum and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationHerculaneum, Jefferson County, Missouri
Coordinates38.268388°N, 90.38012°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)63048
Area Code314
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Herculaneum, Missouri Weather Page

This page provides live weather conditions and forecasts for Herculaneum, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Herculaneum includes coordinates 38.268388°N, 90.380120°W, situated in Jefferson County. ZIP code 63048. Telephone area code: 314. Timezone: Central Time (America/Chicago).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.