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Grantley, Ontario Weather

Grantley, 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 Grantley in Stormont, Dundas and Glengarry.

🌡️ 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 Grantley.

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

Flight conditions near Grantley. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Grantley.

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About Grantley, Ontario

Grantley is a locality in Stormont, Dundas and Glengarry, Ontario, Canada. It is classified as a village / hamlet. Grantley is located at 45.0781°N, 75.1511°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K0C.

Grantley rests upon the low, steady rises of the landscape, defined by the quiet presence of the nearby Kerrs Ridge. It lies 29.0 km north-north-east of Iroquois, ON (from Iroquois, ON: bearing 27°T), and is situated 8.9 km south-west of Finch. The air here carries a crisp, lingering weight, especially in the late afternoons when the sun pulls long, amber shadows across the fields, making the simple geometry of the fences look like charcoal lines drawn on parchment. The South Nation River flows about 6 km away, a hidden artery that draws the eye toward the horizon, though the immediate terrain remains dominated by the modest, persistent elevations of the ridge. The soil is heavy and deep, holding onto the moisture of the seasons and grounding the houses in a stillness that feels as permanent as the bedrock beneath. Grantley maintains an identity rooted in the long-standing agricultural traditions of Stormont, Dundas and Glengarry, where the economy continues to mirror the cycles of the harvest and the slow, deliberate work of the farm. Generations have tended these plots, building lives around the predictable turns of the weather and the maintenance of the land, resulting in a culture that values the quiet reliability of a neighbor’s hand. While the pace of modern life hums in the distance, Grantley keeps a steady, internal clock, marked by the arrival of the seasons and the maintenance of the homesteads that define its borders. Even now, the sound of a distant engine or the rustle of wind through the tall grasses provides a sense of continuity, suggesting that the character of the place is found in the endurance of those who choose to stay.

📡 Precipitation Radar

Live animated radar for Grantley 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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LocationGrantley, Stormont, Dundas and Glengarry, Ontario
Coordinates45.078056°N, 75.151111°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAK0C
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 Grantley, Ontario Weather Page

This page provides live weather conditions and forecasts for Grantley, 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 Grantley includes coordinates 45.078056°N, 75.151111°W, situated in Stormont, Dundas and Glengarry. Postal FSA: K0C. 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.