South Branch, Ontario Weather
South Branch, 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 South Branch in Grenville.
Marine forecast and fishing conditions near South Branch.
Flight conditions near South Branch. Data source: locating…
Soil conditions, frost risk and crop weather for South Branch.
About South Branch, Ontario
South Branch is a locality in Grenville, Ontario, Canada. It is classified as a village / hamlet. South Branch is located at 44.8162°N, 75.7033°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K6V.
South Branch rests beneath the quiet shadow of Drummonds Hill, where the land holds the long, cool memory of the last retreat of ice. It lies 18.7 km north-west of Prescott, ON (from Prescott, ON: bearing 308°T), and is situated 15.2 km south-east of Merrickville. The terrain here rises and falls in modest swells, defining a horizon that favors the earth over the sky, grounding the gaze in the stubborn persistence of fields and woodlots. In the transition of the late afternoon, the light here grows heavy and honeyed, pooling in the low hollows of the soil like water in a basin. Beyond the immediate rise of the hills, the South Nation River moves with a slow, deliberate gravity some 10 km away, while Lissons Lake stays tucked into the distant topography at a remove of 9 km. The economy of South Branch has long drawn its vitality from the mineral-rich earth and the steady labor of those who work it, favoring a tradition of husbandry that respects the seasons. History in South Branch is measured not by monuments, but by the generational tending of fences and the seasonal turn of the plow, a practice that leaves the landscape feeling both inhabited and deeply private. Life here proceeds with a functional, quiet industry, where the air carries the dry scent of cured hay and the faint, metallic tang of farm machinery cooling under a darkening sky. People move through their tasks with a focused efficiency, their daily patterns aligned with the demands of the weather and the persistent, quiet needs of the land.
Live animated radar for South Branch 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 | South Branch, Grenville, Ontario |
| Coordinates | 44.81623°N, 75.70332°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K6V |
| 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 South Branch, Ontario Weather Page
This page provides live weather conditions and forecasts for South Branch, 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 South Branch includes coordinates 44.816230°N, 75.703320°W, situated in Grenville. Postal FSA: K6V. 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.