Saint-Constant, Quebec Weather

Marine forecast and fishing conditions near Saint-Constant.

Flight conditions near Saint-Constant. Data source: locating…

Soil conditions, frost risk and crop weather for Saint-Constant.

About Saint-Constant, Quebec

Saint-Constant is a town in Saint-Constant; Roussillon, Quebec, Canada. It has a population of 29,954. Saint-Constant is located at 45.3716°N, 73.5710°W. It observes Eastern Time (UTC−5 / −4). Postal code area: J5A.

Saint-Constant rests upon the low, fertile plains of Quebec, defined by the quiet passage of the Rivière Saint-Pierre as it winds through the local terrain. It lies 15.3 km south of Montréal, QC (from Montréal, QC: bearing 185°T), and is situated 14.0 km east of Châteauguay. The land here holds a subtle weight, characterized by the proximity of the St. Lawrence and the distant, rising silhouette of Le Tertre that anchors the horizon. When the light fades, a particular amber clarity settles over the fields, revealing the quiet geometry of a landscape that has long supported both agriculture and the steady expansion of suburban life. While those seeking more rugged heights might travel the twenty-eight kilometers to Parc national du Mont-Saint-Bruno or the shorter fourteen-kilometer journey toward the shores of Lac aux Castors, the immediate surroundings of Saint-Constant rely on a flatter, more contemplative stillness. The air carries the faint, crisp scent of the nearby waterways, grounding the residents in a geography that feels both expansive and intimately held. Saint-Constant maintains a character shaped by its evolution from a rural outpost into a modern hub within Roussillon. The local economy benefits from this strategic position, drawing strength from the transit corridors that link the residents to the broader movement of the region. History lingers in the older residential pockets, where the architecture reflects the practical needs of generations who worked the soil before the current industrial and service sectors took hold. Daily life in Saint-Constant moves with a focused intentionality, seen in the way people gather in local parks or move along the arteries of the municipality as evening descends. Whether one considers the influence of early settlement or the modern pulse of its schools and businesses, Saint-Constant presents a steady, industrious face to the world, defined by the persistence of those who call these plains home.

Saint-Constant s’étire sur les terres basses de la Rive-Sud, là où la terre semble s’incliner avec une douceur déférente vers les rives du Saint-Laurent. Le paysage, marqué par la proximité des eaux de la Rivière Saint-Pierre, conserve le souvenir des sillons tracés par les premiers laboureurs venus fertiliser ces sols argileux. À l’approche du Tertre, la lumière du crépuscule s’attarde longuement sur les plaines, découpant les silhouettes des arbres avec une précision presque nostalgique. Saint-Constant puise sa force dans cet héritage agricole qui, bien que transformé par l’essor industriel et ferroviaire, dicte encore le rythme tranquille des journées. L’air y est chargé de cette humidité fine, typique des zones fluviales, qui rafraîchit les fronts après les travaux de la journée. Si le regard cherche à s’évader plus loin, il s’arrête sur la distance qui sépare Saint-Constant du Lac aux Castors, situé à quatorze kilomètres, ou encore vers le Parc national du Mont-Saint-Bruno, distant de vingt-huit kilomètres, dont les reliefs dessinent une ligne sombre sur l’horizon. Ici, le ciel occupe une place prépondérante, offrant aux habitants un espace vaste et changeant, propice à la contemplation des soirs d’été où le vent remonte de la Rivière Saint-Pierre pour apaiser les ardeurs de la terre.

Live animated radar for Saint-Constant and surroundings — RainViewer.

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.

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

About This Saint-Constant, Quebec Weather Page

This page provides live weather conditions and forecasts for Saint-Constant, 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 Saint-Constant includes coordinates 45.371618°N, 73.570982°W, situated in Saint-Constant; Roussillon. Postal FSA: J5A. 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.