Dunnville, Ontario Weather
Dunnville, 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 Dunnville in Haldimand.
Marine forecast and fishing conditions near Dunnville.
Flight conditions near Dunnville. Data source: locating…
Soil conditions, frost risk and crop weather for Dunnville.
About Dunnville, Ontario
Dunnville is a community in Haldimand, Ontario, Canada. It is classified as a town. Dunnville is located at 42.9000°N, 79.6167°W. It observes Eastern Time (UTC−5 / −4). Postal code area: N1A.
Dunnville rests along the persistent, winding stretch of the Grand River, a landscape defined by the quiet accumulation of silt and the steady pull of the current toward the horizon. It lies 33.7 km west-south-west of Welland, ON (from Welland, ON: bearing 251°T), and is situated 21.5 km east-south-east of Haldimand County. The earth here holds the memory of the river’s reach, with the elevated silhouette of Sugarloaf Hill rising above the surrounding flats to catch the first light of morning. Near the banks, the air often feels heavy with the moisture of the water, a cool dampness that settles over the reeds and grasses before the sun fully warms the soil. Beyond the main thoroughfare, the Byng Island Conservation Area offers a retreat into the shade of mature trees, where the stillness of the afternoon is broken only by the movement of the wind through the canopy. Dils Lake sits further inland, a quiet basin that mirrors the vast, changing sky above the flat expanses of Haldimand. Dunnville grew from the industry of the water, its early character shaped by the passage of vessels and the labor required to harness the flow of the Grand River for milling and transport. Agriculture remains a vital pulse, with fields of corn and soy extending toward the edges of the horizon, mirroring the industrious spirit that once centered on local canning factories and the seasonal harvest. The pace of life in Dunnville follows the cycle of the seasons, where the arrival of autumn brings a crisp intensity to the atmosphere and a shift in the local trade. Residents move with a focused intent, grounded by the legacy of those who first settled these riverbanks and the enduring presence of a landscape that demands respect for its seasonal floods and yields.
Live animated radar for Dunnville 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 | Dunnville, Haldimand, Ontario |
| Coordinates | 42.9°N, 79.616667°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | N1A |
| 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 Dunnville, Ontario Weather Page
This page provides live weather conditions and forecasts for Dunnville, 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 Dunnville includes coordinates 42.900000°N, 79.616667°W, situated in Haldimand. Postal FSA: N1A. 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.