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Demontigny, Quebec Weather

Demontigny, Quebec — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast, soil and crop conditions for Demontigny in Trois-Rivières; Mauricie.

🌡️ 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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ECCC Extended Forecast
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🌊 Marine & Fishing

Marine forecast and fishing conditions near Demontigny.

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Demontigny. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Demontigny.

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About Demontigny, Quebec

Demontigny is a residential area in Trois-Rivières; Mauricie, Quebec, Canada. It is classified as a small locality. Demontigny is located at 46.3044°N, 72.5858°W. It observes Eastern Time (UTC−5 / −4). Postal code area: G8Z.

Demontigny rests with a quiet persistence along the banks of the St. Lawrence, where the land yields to the expansive pull of the water. It lies 5.4 km south-west of Trois-Rivières, QC (from Trois-Rivières, QC: bearing 217°T), and is situated 9.0 km north-north-east of Nicolet. The terrain near the Plateau Laval slopes toward the Rivière Marguerite, a waterway that gathers the light of late afternoon into long, shimmering ribbons of silver. Seven kilometers inland, the stillness of Lac Marc-Hélène provides a deep, glass-like contrast to the constant movement of the river. In Demontigny, the air carries a humid weight during the summer months, a breath of moisture rising from the currents that define the edge of the shore. The history of Demontigny reflects the necessity of adaptation, as the local economy has long balanced the demands of the river with the needs of the surrounding fields. Generations have worked these reaches, finding utility in the proximity of the St. Lawrence while maintaining a distinct, modest character that avoids the clamor of larger hubs. Life in Demontigny follows the movement of the tides and the seasonal shifts of the ice, creating a cadence marked by the reliable arrival of spring floods and the subsequent retreat of the water. Residents often gather near the banks as the sun dips below the horizon, watching the sky deepen into bruised purples and golds that mirror the dark, shifting surface of the Rivière Marguerite.

Demontigny s’étire avec une lenteur tranquille le long des rives du Saint-Laurent, là où le souffle du fleuve impose une cadence particulière aux heures qui s’écoulent. Près de Plateau Laval, les habitations semblent guetter le mouvement perpétuel des eaux, tandis que la Rivière Marguerite serpente à travers le relief pour venir mourir dans le courant principal, apportant avec elle une fraîcheur qui imprègne les jardins et les vergers. À sept kilomètres de là, le Lac Marc-Hélène demeure une présence discrète, un miroir sombre gardant le silence sous la lumière changeante du crépuscule. La vie à Demontigny se règle sur cette géographie de plaines basses et de courants, façonnée par une agriculture tenace qui a su apprivoiser la terre meuble des berges. Les habitants, héritiers d’une patience transmise par les anciens, observent les glaces céder chaque printemps avec une attention qui relève presque du rite. Le vent qui remonte le Saint-Laurent apporte souvent une odeur de terre humide et de bois, rappelant que Demontigny appartient à cette Mauricie où les horizons se déploient sans obstacle, invitant chaque regard à se perdre dans la vastitude d’un ciel qui semble s’abaisser pour mieux toucher les rives.

📡 Precipitation Radar

Live animated radar for Demontigny and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector. Auto-refreshes every 10 minutes on page reload. Frames the whole country from Newfoundland to the BC coast, plus adjacent Pacific and Atlantic storm approaches.

NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector
🎬 Animated loop 🔍 Higher resolution (1125×560) 🌡️ Infrared (IR) view 🇨🇦 ECCC Satellite Viewer

Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload

🌙 Astronomy
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LocationDemontigny, Trois-Rivières; Mauricie, Quebec
Coordinates46.304444°N, 72.585833°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAG8Z
Area Code263, 354, 367, 418, 438, 450, 514, 579, 581, 819, 873
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), Environment and Climate Change Canada

About This Demontigny, Quebec Weather Page

This page provides live weather conditions and forecasts for Demontigny, Quebec, including current conditions, a 24-hour hourly forecast, 7-day outlook, ECCC extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modelled estimate shown when no station is in range), precipitation radar and NOAA GOES satellite imagery. Additional sections may include marine and fishing conditions with a solunar forecast for coastal localities, and soil temperature, crop weather and live Water Survey of Canada river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Demontigny includes coordinates 46.304444°N, 72.585833°W, situated in Trois-Rivières; Mauricie. Postal FSA: G8Z. Telephone area code: 263, 354, 367, 418, 438, 450, 514, 579, 581, 819, 873. Timezone: Eastern Time (UTC−5 / −4).

Weather data is sourced from Environment and Climate Change Canada (ECCC) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov, with a modelled estimate used where no nearby reporting station is available. River and stream data is sourced from Water Survey of Canada (WSC) via the ECCC GeoMet realtime hydrometric feed. Marine and solunar data are modelled 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-19 and is public domain.