Casselman, Ontario Weather

Marine forecast and fishing conditions near Casselman.

Flight conditions near Casselman. Data source: locating…

Soil conditions, frost risk and crop weather for Casselman.

About Casselman, Ontario

Casselman is a village in Russell, Ontario, Canada. It has a population of approximately 3,960. Casselman is located at 45.3115°N, 75.0857°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K0C.

Casselman rests upon the steady, low-lying terrain of Ontario, anchored by the persistent flow of the South Nation River. It lies 39.1 km east of Ottawa, ON (from Ottawa, ON: bearing 93°T), and is situated 15.0 km south-south-east of Bourget. The light at dusk here catches the moisture rising from the riverbanks, turning the air into a translucent veil that softens the edges of the nearby Bonnie Hill. As the South Nation River carves its path through the earth, it dictates the slow, deliberate pace of the surroundings, where the sky seems to hold a vast, quiet weight above the fields. While Parc national de Plaisance sits 32 km away, the horizon around Casselman maintains its own distinct, grounded stillness, defined by the interplay of open land and the dark, rhythmic currents of the water. The history of Casselman is bound to the utility of the river, which once served as a vital artery for the local lumber industry and early transit. Today, the economy reflects a transition toward modern service and regional commerce, yet the identity of Casselman remains rooted in the industrious spirit of its founding families. Residents move through their days with a practical focus, often marked by the seasonal demands of the land and the simple, enduring architecture that lines the streets. Even as the modern world shifts, the presence of the South Nation River ensures that Casselman retains a character defined by its proximity to the water, a persistent reminder of the natural forces that first gathered people to these banks.

Live animated radar for Casselman 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

About This Casselman, Ontario Weather Page

This page provides live weather conditions and forecasts for Casselman, 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 Casselman includes coordinates 45.311490°N, 75.085730°W, situated in Russell. Postal FSA: K0C. 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.