Cormac, Ontario Weather
Cormac, 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 Cormac in Renfrew.
Marine forecast and fishing conditions near Cormac.
Flight conditions near Cormac. Data source: locating…
Soil conditions, frost risk and crop weather for Cormac.
About Cormac, Ontario
Cormac is a compact rural community in Renfrew, Ontario, Canada. It is classified as a village / hamlet. Cormac is located at 45.4633°N, 77.2942°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K0J.
Cormac rests upon the rugged, enduring terrain of the Ottawa Valley, defined by the rise of O'Malleys Hill. It lies 30.3 km east of Barry's Bay, ON (from Barry's Bay, ON: bearing 95°T), and is situated 14.4 km south-east of Killaloe. The land around Cormac holds a quiet gravity, where the air at dusk thickens with the scent of pine and damp earth, settling into the hollows near Mullen Lake just three kilometers away. While the Bonnechere River flows thirteen kilometers to the south, the local horizon is dominated by the stubborn rock and dense wood that characterize this high ground. Winters here arrive with a biting clarity, turning the landscape into a study of stark lines and frozen stillness, far removed from the more distant reaches of Lower Madawaska River Provincial Park. Settlement in Cormac grew from the necessity of clearing stone-strewn fields and managing the deep, stubborn woods that defined the lives of early arrivals. The economy stays rooted in the land, favoring small-scale agriculture and timber that have sustained generations through the long, quiet transitions of the seasons. Traditions here are kept close to the hearth, reflecting a history of endurance where neighbors rely on the simple, immediate support of those nearby. The heartbeat of Cormac pulses in the steady maintenance of fences and the seasonal work of the woodlot, maintaining a life that values the weight of a hand-hewn beam or the arrival of a thaw before the spring planting.
Live animated radar for Cormac 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 | Cormac, Renfrew, Ontario |
| Coordinates | 45.463333°N, 77.294167°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K0J |
| 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 Cormac, Ontario Weather Page
This page provides live weather conditions and forecasts for Cormac, 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 Cormac includes coordinates 45.463333°N, 77.294167°W, situated in Renfrew. Postal FSA: K0J. 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.