Rossmount, Ontario Weather
Rossmount, 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 Rossmount in Northumberland.
Marine forecast and fishing conditions near Rossmount.
Flight conditions near Rossmount. Data source: locating…
Soil conditions, frost risk and crop weather for Rossmount.
About Rossmount, Ontario
Rossmount is a locality in Northumberland, Ontario, Canada. It is classified as a village / hamlet. Rossmount is located at 44.0447°N, 78.3083°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L1A.
Rossmount rests upon the quiet contours of Jamieson's Hill, overlooking the expansive, light-catching surface of Rice Lake. It lies 14.6 km north-west of Cobourg, ON (from Cobourg, ON: bearing 308°T), and is situated 6.6 km east-north-east of Port Hope. The land here holds a particular quality of stillness, where the low sun at dusk stretches shadows long across the fields, turning the grasses into burnished gold before the evening mist clings to the water’s edge. This terrain, defined by the steady rise of the hill, creates a vantage point that feels removed from the frantic pace of the wider world, favoring instead the slow observation of weather moving across the open basin. The history of Rossmount reflects the persistence of those who settled this specific rise of land, finding sustenance in the fertile soil that supports local agriculture. While the North Ganaraska River flows through the distance, the life of Rossmount remains centered on the immediate relationship between the residents and the surrounding countryside. Daily existence here follows the seasonal changes of the harvest and the subtle shifts in the air, with the economy rooted in the stewardship of the land and the small, deliberate actions of those who live upon it. A distinctive quietude settles over the landscape when the work of the day concludes, leaving only the sound of the wind moving through the trees that crest Jamieson's Hill.
Live animated radar for Rossmount 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 | Rossmount, Northumberland, Ontario |
| Coordinates | 44.044722°N, 78.308333°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L1A |
| 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 Rossmount, Ontario Weather Page
This page provides live weather conditions and forecasts for Rossmount, 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 Rossmount includes coordinates 44.044722°N, 78.308333°W, situated in Northumberland. Postal FSA: L1A. 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.