Cardinal, Ontario Weather
Cardinal, 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, soil and crop conditions for Cardinal in Grenville.
Marine forecast and fishing conditions near Cardinal.
Flight conditions near Cardinal. Data source: locating…
Soil conditions, frost risk and crop weather for Cardinal.
About Cardinal, Ontario
Cardinal is a community in Grenville, Ontario, Canada. It is classified as a town. Cardinal is located at 44.7906°N, 75.3824°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K0E.
Cardinal rests upon the northern shore of the St. Lawrence River, a presence defined by the steady, unceasing movement of deep water against the land. It lies 7.9 km south-west of Iroquois, ON (from Iroquois, ON: bearing 219°T), and is situated 13.8 km north-east of Prescott. Near the Fells Hill, the horizon holds a measured stillness, where the sky seems to inhale the moisture rising from the riverbed and exhale a faint, silver haze that settles over the fields at dusk. The land here possesses a quiet, heavy texture, grounded by the geological weight of the Canadian shield’s influence and the proximity of the South Nation River, which meanders through the landscape fourteen kilometres away. Air currents carry the scent of damp earth and cooling stone, a sensory reminder of the proximity to the great waterway that shapes the local climate and the character of the horizon. Cardinal grew from the necessity of harnessing the power of the river, its industrial heart beating in time with the currents that once drove the milling and manufacturing trades. While the South Nation River remains a distant, winding companion to the geography, the immediate life of Cardinal centers on the interaction between human industry and the expansive, flowing blue of the St. Lawrence River. The architecture reflects a pragmatic history, where the foundations of old mills and warehouses stand as silent observers to the shift from heavy production to a more tempered, modern existence. Life moves with a deliberate clarity, defined by the changing light on the water and the persistent, low-frequency hum of a region that has long understood how to work alongside the vast, moving forces of the natural world.
Live animated radar for Cardinal 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 | Cardinal, Grenville, Ontario |
| Coordinates | 44.7906°N, 75.38236°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K0E |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This Cardinal, Ontario Weather Page
This page provides live weather conditions and forecasts for Cardinal, 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 Cardinal includes coordinates 44.790600°N, 75.382360°W, situated in Grenville. Postal FSA: K0E. 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.