Onondaga, Ontario Weather
Onondaga, 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 Onondaga in Brant.
Marine forecast and fishing conditions near Onondaga.
Flight conditions near Onondaga. Data source: locating…
Soil conditions, frost risk and crop weather for Onondaga.
About Onondaga, Ontario
Onondaga is a compact rural community in Brant, Ontario, Canada. It is classified as a village / hamlet. Onondaga is located at 43.1161°N, 80.1219°W. It observes Eastern Time (UTC−5 / −4). Postal code area: N3S.
Onondaga rests with a quiet, persistent gravity near the Burlington Heights, defined by the steady, dark pulse of the Grand River. It lies 11.9 km east-south-east of Brantford, ON (from Brantford, ON: bearing 112°T), and is situated 11.0 km north-north-east of Medina Corners. The land here holds a particular weight, where the silt of the riverbanks creates a fertile, patient earth that seems to absorb the golden, slanted light of late afternoon. Beyond the immediate banks, the terrain reaches toward the stillness of Dunmark Lake, while the distant, rhythmic rush of Washboard Falls echoes in the memory of the landscape. Life in Onondaga moves with the deliberate pace of the seasons, as the soil responds to the thaw and the heavy, humid heat of midsummer. History clings to the bends of the Grand River, where the legacy of Indigenous stewardship remains deeply embedded in the character of the surrounding fields. The local economy finds its footing in the productivity of the land and the quiet industry of those who work it, supported by the proximity of routes like the Hamilton to Brantford Rail Trail. Onondaga maintains a grounded identity, where the modern world touches only lightly upon the older, established order of the farms and woodlots. Evenings bring a sharp clarity to the air, settling over the valley with a coolness that clarifies the outlines of the trees and the quiet, enduring presence of the water.
Live animated radar for Onondaga 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 | Onondaga, Brant, Ontario |
| Coordinates | 43.116111°N, 80.121944°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | N3S |
| 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 Onondaga, Ontario Weather Page
This page provides live weather conditions and forecasts for Onondaga, 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 Onondaga includes coordinates 43.116111°N, 80.121944°W, situated in Brant. Postal FSA: N3S. 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.