La Grosse-Roche, Quebec Weather
La Grosse-Roche, 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 La Grosse-Roche in Marston; Le Granit.
Marine forecast and fishing conditions near La Grosse-Roche.
Flight conditions near La Grosse-Roche. Data source: locating…
Soil conditions, frost risk and crop weather for La Grosse-Roche.
About La Grosse-Roche, Quebec
La Grosse-Roche is a hamlet in Marston; Le Granit, Quebec, Canada. It is classified as a small locality. La Grosse-Roche is located at 45.5936°N, 70.9397°W. It observes Eastern Time (UTC−5 / −4). Postal code area: G6B.
La Grosse-Roche stands as a singular marker upon the rugged expanse of Marston, resting near the Montagne de la Croix where the earth rises in firm, granite-strewn shoulders. It lies 5.0 km west-north-west of Lac-Mégantic, QC (from Lac-Mégantic, QC: bearing 296°T), and is situated 15.5 km south-south-west of Lac-Drolet. The land around La Grosse-Roche holds the memory of those who first cleared these slopes, moving stones to coax life from the soil while the distant Rivière Chaudière cut its own path through the lower valley. In the stillness of an afternoon, one might catch the scent of pine carried from the slopes near Lac de l'Orignal, a reminder of the quiet gravity exerted by the wilderness of Parc national du Mont-Mégantic situated further to the southeast. The local economy persists in a quiet dialogue with the geology, where the extraction of granite has long defined the character of the region, turning the very foundation of the hills into the building blocks of distant cities. Life here moves with the sun, tracing the arc of the ridges and the shifting shadows that lengthen across the fields as the day recedes into the cool, clear light of evening.
La Grosse-Roche s’élève avec une solennité minérale dans la lumière déclinante qui caresse les terres de Marston, révélant une topographie où le granit semble dicter le rythme même de l’existence. À quelques lieues de là, la silhouette de la Montagne de la Croix veille sur ce relief accidenté, tandis que les eaux de la Rivière Chaudière cheminent dans une langueur discrète à travers les vallons. La quiétude des lieux se prolonge vers les rives secrètes du Lac de l’Orignal, dont la surface argentée capte les reflets changeants d’un firmament souvent embrumé. L’horizon lointain est marqué par la présence imposante du Parc national du Mont-Mégantic, dont les cimes dessinent une frontière naturelle contre l’immensité céleste. Dans les champs environnants, le travail quotidien des hommes se plie aux exigences d’un sol généreux mais austère, héritage d’une patience paysanne qui n’a rien perdu de sa noblesse. La Grosse-Roche, par sa présence immuable, demeure le pivot silencieux d’un territoire où chaque sentier, chaque pierre et chaque courbe du terrain racontent une histoire de persévérance humaine. Ici, le vent apporte parfois un souffle frais venu des hauteurs, balayant les terres cultivées et rappelant aux habitants que leur quotidien est étroitement lié aux humeurs de cette nature souveraine.
Live animated radar for La Grosse-Roche 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 | La Grosse-Roche, Marston; Le Granit, Quebec |
| Coordinates | 45.593611°N, 70.939722°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | G6B |
| 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 La Grosse-Roche, Quebec Weather Page
This page provides live weather conditions and forecasts for La Grosse-Roche, 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 La Grosse-Roche includes coordinates 45.593611°N, 70.939722°W, situated in Marston; Le Granit. Postal FSA: G6B. 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.