L'Île-des-Sœurs, Quebec Weather
L'Île-des-Sœurs, 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 L'Île-des-Sœurs in Montréal; Montréal.
Marine forecast and fishing conditions near L'Île-des-Sœurs.
Flight conditions near L'Île-des-Sœurs. Data source: locating…
Soil conditions, frost risk and crop weather for L'Île-des-Sœurs.
About L'Île-des-Sœurs, Quebec
L'Île-des-Sœurs is a neighbourhood in Montréal; Montréal, Quebec, Canada. It is classified as a small locality. L'Île-des-Sœurs is located at 45.4610°N, 73.5468°W. It observes Eastern Time (UTC−5 / −4). Postal code area: J6S.
L'Île-des-Sœurs rests as a quiet, elongated presence upon the St. Lawrence, defined by the steady pull of the current and its proximity to the Les Écores. It lies 5.3 km south of Montréal, QC (from Montréal, QC: bearing 174°T), and is situated 10.7 km west-south-west of Longueuil. The air here holds a particular clarity, catching the light at dusk as it reflects off the water to gild the edges of the shore. While the Rivière Saint-Jacques flows some distance away and the waters of Lac de l'Île Notre-Dame remain tucked five kilometers inland, the island maintains its own distinct atmosphere, buffered from the rush of the mainland. Beyond these immediate surroundings, the wider landscape reaches toward the horizon, where the distant Parc national des Îles-de-Boucherville marks the far edge of the river’s influence. The terrain remains low and steady, a grounding force for those who navigate the paths that circle the island’s perimeter. Once a quiet agricultural outpost owned by the Congrégation de Notre-Dame, L'Île-des-Sœurs has evolved into a residential enclave that balances the weight of its colonial history with the demands of modern architecture. The economy today shifts with the daily commute of its residents, who move between the island’s glass-fronted towers and the dense urban core nearby. Notable for its preservation of green spaces despite significant development, the island offers a sanctuary where the rustle of wind through the trees competes with the low hum of the bridges connecting it to the shore. Life here follows the pulse of the river, a measured existence where the changing seasons dictate the mood of the streets and the quietude of the evening hours.
L'Île-des-Sœurs s'étire avec une grâce singulière sur les rives du Saint-Laurent, là où le fleuve impose sa cadence souveraine au paysage montréalais. Autrefois terres agricoles dévouées aux soins des religieuses, ces plaines ont mué pour accueillir une architecture audacieuse qui semble vouloir dialoguer avec la lumière changeante du crépuscule. L'air y circule avec une fraîcheur particulière, chargée de l'humidité du courant, tandis que la silhouette des immeubles se découpe sur un horizon vaste. À quelques kilomètres, la Rivière Saint-Jacques poursuit sa course tranquille vers le fleuve, et le Lac de l'Île Notre-Dame repose dans une sérénité minérale, offrant un contraste avec le dynamisme urbain qui anime L'Île-des-Sœurs. Le Parc national des Îles-de-Boucherville, bien qu’éloigné, rappelle la nature sauvage qui borde ces étendues habitées. La vie quotidienne y suit le rythme des marées et des vents, sculptant une identité où le béton moderne rencontre la mémoire du sol. Les résidents observent le passage des saisons à travers les reflets changeants des eaux environnantes, trouvant dans cette proximité géographique une quiétude rare. Chaque sentier piétonnier invite à une contemplation silencieuse, loin de l'effervescence des grands axes, conservant une âme insulaire qui résiste à l'usure du monde extérieur.
Live animated radar for L'Île-des-Sœurs 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
| Location | L'Île-des-Sœurs, Montréal; Montréal, Quebec |
| Coordinates | 45.461008°N, 73.54678°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | J6S |
| Area Code | 263, 354, 367, 418, 438, 450, 514, 579, 581, 819, 873 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This L'Île-des-Sœurs, Quebec Weather Page
This page provides live weather conditions and forecasts for L'Île-des-Sœurs, 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 L'Île-des-Sœurs includes coordinates 45.461008°N, 73.546780°W, situated in Montréal; Montréal. Postal FSA: J6S. 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.