Port Severn, Ontario Weather
Port Severn, 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 Port Severn in Simcoe.
Marine forecast and fishing conditions near Port Severn.
Flight conditions near Port Severn. Data source: locating…
Soil conditions, frost risk and crop weather for Port Severn.
About Port Severn, Ontario
Port Severn is a compact rural community in Simcoe, Ontario, Canada. It is classified as a town. Port Severn is located at 44.8043°N, 79.7168°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L4R.
Port Severn sits with a quiet gravity where the dark, insistent waters of the Black River meet the vast, open expanse of Georgian Bay. It lies 14.5 km east-north-east of Midland, ON (from Midland, ON: bearing 65°T), and is situated 12.1 km north-north-west of Coldwater. The landscape here is defined by the rugged rise of Wireless Hill, a prominent landmark that commands the horizon and offers a vantage point over the shifting blues and greys of the water. On calm evenings, the light settles low against the shoreline, turning the surface of the bay into a sheet of hammered silver that catches the final, bruised purples of the dusk. Beyond the immediate reach of the shoreline, the terrain remains marked by the ancient, weathered character of the Canadian Shield, while the air carries a persistent, clean sharpness that seems to belong solely to the meeting of river and bay. Historically, Port Severn grew from the necessity of navigating these complex waterways, serving as a vital junction for industry and passage. The economy remains tied to the movement of water and the seasonal influx of those drawn to the nearby natural beauty, including the protected reaches of Parc national du Canada des Îles-de-la-Baie-Georgienne located about 15 km away. Residents and visitors alike often travel toward the sound of White's Falls, situated about 8 km distant, where the constant motion of the current provides a steady, low-frequency hum that underpins the stillness of the woods. Life in Port Severn proceeds with a deliberate focus, shaped by the seasonal transition of the ice and the enduring presence of the landscape, where the weight of the granite and the depth of the water dictate the slow, honest pace of the day.
Live animated radar for Port Severn 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 | Port Severn, Simcoe, Ontario |
| Coordinates | 44.80435°N, 79.71678°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L4R |
| 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 Port Severn, Ontario Weather Page
This page provides live weather conditions and forecasts for Port Severn, 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 Port Severn includes coordinates 44.804350°N, 79.716780°W, situated in Simcoe. Postal FSA: L4R. 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.