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St. Mary's, Colorado Weather

St. Mary's, Colorado — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for St. Mary's, Clear Creek 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

Flight conditions near St. Mary's. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for St. Mary's.

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About St. Mary's, Colorado

St. Mary's clings to the steep slopes of Clear Creek County, a collection of weathered buildings gathered in the shadow of towering, granite peaks. It lies 24.2 miles south-west of Boulder, CO (from Boulder, CO: bearing 236°T), and is situated 8.8 miles north-west of Idaho Springs. The air here is thin and sharp, carrying the scent of pine and damp earth, and the sunlight often filters through the high mountain passes in broad, golden shafts, illuminating the rugged landscape. Jagged ridgelines, cloaked in evergreen forests that turn a deep, bruised purple as dusk approaches, form a formidable backdrop to the modest dwellings. Clear Creek itself, a ribbon of churning, icy water, rushes through the valley floor, its constant murmur a counterpoint to the wind that sighs through the scattered aspens, their leaves a pale, shimmering green against the darker conifers. This is a place shaped by the earth's raw power and the relentless pursuit of its bounty. St. Mary's owes its existence to the rich veins of ore that lie hidden within these mountains, a legacy of a robust mining past that still echoes in the sturdy, unpretentious architecture and the weathered faces of its inhabitants. The local economy, once dominated by the clang of hammers and the rumble of ore carts, has diversified, with a resilient spirit that now embraces tourism and the quiet allure of high-country living. The remnants of old mining operations, rusting machinery half-swallowed by the encroaching wild, serve as stark, silent monuments to the generations who worked these unforgiving slopes, their stories etched into the very stone and soil of St. Mary's.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for St. Mary's 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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LocationSt. Mary's, Clear Creek County, Colorado
Coordinates39.816654°N, 105.647502°W
TimezoneMountain Time (America/Denver)
ZIP Code(s)80452
Area Code303, 720
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This St. Mary's, Colorado Weather Page

This page provides live weather conditions and forecasts for St. Mary's, Colorado, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 St. Mary's includes coordinates 39.816654°N, 105.647502°W, situated in Clear Creek County. ZIP code 80452. Telephone area code: 303, 720. Timezone: Mountain Time (America/Denver).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.