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Duncan, Ontario Weather

Duncan, 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 Duncan in Grey.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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ECCC Extended Forecast
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🌊 Marine & Fishing

Marine forecast and fishing conditions near Duncan.

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Duncan. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Duncan.

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About Duncan, Ontario

Duncan is a locality in Grey, Ontario, Canada. It is classified as a village / hamlet. Duncan is located at 44.4222°N, 80.4764°W. It observes Eastern Time (UTC−5 / −4). Postal code area: N0C.

Duncan holds its place within the steady rise of Mitchell’s Hill, where the land gathers itself into a quiet prominence above the valley. It lies 20.7 km west-south-west of Collingwood, ON (from Collingwood, ON: bearing 245°T), and is situated 15.4 km south of Thornbury. The Beaver River marks the lower reaches of this terrain, its current pulling cool air through the trees to settle against the slopes as the sun slips behind the horizon. Duncan Lake sits nearby, a still mirror reflecting the transition of seasons, while the distance to Eugenia Falls keeps the rush of water merely a suggestion in the mind. Here, the light of late afternoon has a particular clarity, sharpening the edges of the fields and turning the limestone outcrops into pale, weathered bone beneath an expansive sky. The history of Duncan remains tied to the hard work of those who first cleared the timber and broke the stubborn earth of the hill. Local life centers on the cycles of the seasons, where the economy still leans into the land and the quiet persistence of agricultural heritage. Residents move with the knowledge that the ground beneath them is ancient and unyielding, a reality that dictates the pace of each day. While Eugenia Falls draws visitors from further afield, Duncan prefers the muted composure of its own surroundings, favoring the sound of wind moving through the cedar and the long, blue shadows that stretch across the Mitchell’s Hill road as evening claims the valley.

📡 Precipitation Radar

Live animated radar for Duncan and surroundings — RainViewer.

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🛰️ Satellite Imagery

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.

NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector
🎬 Animated loop 🔍 Higher resolution (1125×560) 🌡️ Infrared (IR) view 🇨🇦 ECCC Satellite Viewer

Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload

🌙 Astronomy
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LocationDuncan, Grey, Ontario
Coordinates44.422222°N, 80.476389°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAN0C
Area Code226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), Environment and Climate Change Canada

About This Duncan, Ontario Weather Page

This page provides live weather conditions and forecasts for Duncan, 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 Duncan includes coordinates 44.422222°N, 80.476389°W, situated in Grey. Postal FSA: N0C. 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.