Markham, Ontario Weather
Markham, 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 for Markham in York.
Marine forecast and fishing conditions near Markham.
Flight conditions near Markham. Data source: locating…
About Markham, Ontario
Markham is a town in York, Ontario, Canada. With a population of 338,503, Markham is a major urban centre in Ontario. Markham is located at 43.8765°N, 79.2634°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L3P.
Markham sits upon the rolling terrain of York, defined by a landscape that holds the memory of ancient glacial shifts beneath its modern surface. It lies 17.4 km north-north-east of Toronto, ON (from Toronto, ON: bearing 30°T), and is situated 11.1 km west-south-west of Pickering. The earth here rises toward Dicksons Hill, an elevation that offers a quiet vantage point over the surrounding fields and suburban stretches. While the horizon remains broad and open, the natural world lingers nearby; the Parc urbain national du Canada de la Rouge lies about 7 km away, providing a sanctuary of green space that invites the wild into the periphery. Further afield, the water shapes the wider region, with the Rivière Rouge running about 14 km away and the quiet expanse of Simeon Lake resting about 14 km away, both serving as distant, cool anchors to the local geography. The history of Markham draws from a legacy of agricultural endurance, having transitioned from a scattered collection of milling settlements into a hub of innovation. Over the years, the local economy shifted its weight from the harvest of crops to the cultivation of technology and professional services, earning a reputation as a center for high-tech industry. This evolution has not erased the past, but rather layered it, as the storefronts of historic districts stand alongside sleek, glass-fronted offices. At dusk, the light catches the brickwork of older buildings, casting long shadows that bridge the gap between the town’s industrious beginnings and its current, rapid growth. The cultural character of Markham thrives on a diverse population that brings a global perspective to its daily life, creating a rhythm of activity that feels both purposeful and welcoming. Residents often gather in public spaces that emphasize community connection, whether through seasonal festivals or the quiet bustle of local markets. While many notable figures have walked these streets, the spirit of the place is most visible in the ordinary interactions of its people. The air here often carries a crisp, clean clarity, particularly during the transition of seasons, grounding the residents in the physical reality of a landscape that continues to transform while keeping its essential, quiet heart.
Live animated radar for Markham 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 | Markham, York, Ontario |
| Coordinates | 43.87653°N, 79.2634°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L3P |
| 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 Markham, Ontario Weather Page
This page provides live weather conditions and forecasts for Markham, 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 Markham includes coordinates 43.876530°N, 79.263400°W, situated in York. Postal FSA: L3P. 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.