Grand Valley, Ontario Weather

Marine forecast and fishing conditions near Grand Valley.

Flight conditions near Grand Valley. Data source: locating…

Soil conditions, frost risk and crop weather for Grand Valley.

About Grand Valley, Ontario

Grand Valley is a community in Dufferin, Ontario, Canada. It has a population of approximately 3,851. Grand Valley is located at 43.8997°N, 80.3144°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L0N.

Grand Valley rests within the rolling topography of the upper reaches of the Grand River, where the horizon meets the sky in a long, quiet line. It lies 41.1 km north of Guelph, ON (from Guelph, ON: bearing 350°T), and is situated 12.0 km north of Belwood. The land here holds the stillness of the high country, with Morrow's Hill rising as a silent sentinel above the valley floor. During the golden hour, the light clings to the surface of the Grand River, turning the water into a polished ribbon that mirrors the shifting clouds. Nearby, the Grand Valley Conservation Area offers a sanctuary of cedar and ash, where the air feels heavy with the scent of damp earth and moss. The history of Grand Valley reflects the persistence of those who worked the soil, turning the challenges of the terrain into a productive agricultural life. While the local economy maintains its connection to the surrounding fields, the presence of the Grand River continues to define the character of the settlement. Residents often walk toward the Grand Valley Conservation Area to observe the seasonal changes, or visit the quiet edges of Mud Lake to listen to the evening chorus of the marsh. Life in Grand Valley proceeds with a deliberate focus, valuing the small, recurring patterns of the harvest and the steady, enduring pull of the river against its banks.

Live animated radar for Grand Valley 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 Grand Valley, Ontario Weather Page

This page provides live weather conditions and forecasts for Grand Valley, 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 Grand Valley includes coordinates 43.899722°N, 80.314444°W, situated in Dufferin. Postal FSA: L0N. 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.