Enter your search query in the box below.

Grand Sudbury, Ontario Weather

Grand Sudbury, Ontario — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast for Grand Sudbury in Sudbury.

🌡️ Current Conditions
Loading current conditions…
24-Hour Forecast
Loading hourly forecast…
Current Conditions Detail
Loading detail…
7-Day Forecast
Loading 7-day forecast…
ECCC Extended Forecast
Loading extended forecast…
🌊 Marine & Fishing

Marine forecast and fishing conditions near Grand Sudbury.

Loading fishing conditions…
🎣 Best times to fish today (solunar)
Loading solunar times…
Loading marine conditions…
✈️ Aviation Weather

Flight conditions near Grand Sudbury. Data source: locating…

Loading aviation data…
🌿 Air Quality
Loading air quality data…

About Grand Sudbury, Ontario

Grand Sudbury is a city in Sudbury, Ontario, Canada. It is classified as a major city. Grand Sudbury is located at 46.5779°N, 81.0696°W. It observes Eastern Time (UTC−5 / −4). Postal code area: P3N.

Grand Sudbury rests upon a rugged, ancient shield where the horizon is defined by the enduring presence of Blueberry Hill. The terrain possesses a stark, honest beauty, marked by outcroppings of rock that hold the heat of the summer sun long into the evening. To the west, the Vermilion River carves a path through the landscape, its waters flowing with a steady, deliberate coldness that mirrors the temperament of the land. Nearby, the quiet surface of McCrea Lake offers a reflective stillness, while the broader expanse of the Lake Laurentian Conservation Area provides a sanctuary for the wilder elements of the geography. The development of Grand Sudbury mirrors the hard-won progress of those who first sought to navigate its challenging terrain. Early settlers found themselves drawn to the potential hidden beneath the surface, establishing a settlement that grew alongside the expansion of rail and the extraction of vital resources. The physical growth of Grand Sudbury followed the contours of the earth, turning rocky clearings into clusters of industry and life. Over the decades, the settlement evolved from a collection of temporary camps into a permanent fixture of the north, shaped by the practical needs of people who learned to thrive in a climate that demands resilience. Industry serves as the primary pulse of the region, anchored by a deep-seated connection to mining and the processing of metals that have long supported national and global markets. This economic foundation influences the daily lives of the inhabitants, creating a culture that values grit, technical proficiency, and a pragmatic approach to progress. Grand Sudbury functions as a central node for the surrounding districts, drawing workers and resources toward its core while maintaining a distinct identity rooted in its industrial heritage. The shifts of the workforce dictate the movement of the day, leaving the streets with a quiet, focused energy during the hours of labor. Cultural life in Grand Sudbury is enriched by institutions of higher learning that bring a youthful, inquisitive energy to the intellectual climate of the north. Notable figures, including the celebrated singer-songwriter Stompin' Tom Connors and the accomplished actor Alex Trebek, have roots that connect to the broader spirit of the region. Residents often gather for annual events that celebrate the unique character of the north, marking the change of seasons with a communal sense of belonging. Whether through the academic pursuits at local universities or the quiet reflection found near the water, Grand Sudbury sustains a life that is both grounded in the earth and open to the possibilities of the future.

📡 Precipitation Radar

Live animated radar for Grand Sudbury and surroundings — RainViewer.

Loading radar…
🛰️ 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
Calculating…
LocationGrand Sudbury, Sudbury, Ontario
Coordinates46.57789°N, 81.06958°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAP3N
Area Code226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), Environment and Climate Change Canada

About This Grand Sudbury, Ontario Weather Page

This page provides live weather conditions and forecasts for Grand Sudbury, Ontario, 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 Grand Sudbury includes coordinates 46.577890°N, 81.069580°W, situated in Sudbury. Postal FSA: P3N. Telephone area code: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905. 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.