Sunningdale, Ontario Weather
Sunningdale, 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 Sunningdale in Halton.
Marine forecast and fishing conditions near Sunningdale.
Flight conditions near Sunningdale. Data source: locating…
Soil conditions, frost risk and crop weather for Sunningdale.
About Sunningdale, Ontario
Sunningdale is a urban community in Halton, Ontario, Canada. It is classified as a small locality. Sunningdale is located at 43.4603°N, 79.7094°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L6K.
Sunningdale rests upon the land near the Milton Heights, where the terrain shifts with a quiet, persistent gravity toward the shore of Lake Ontario. It lies 14.6 km south-south-west of Mississauga, ON (from Mississauga, ON: bearing 197°T), and is situated 13.1 km north-east of Burlington. The air here carries a particular sharpness at dusk, catching the cool moisture rising from the basin as the light thins into a pale, bruised violet. Beyond the immediate reach of the residential streets, the Credit River flows approximately 10 km away, acting as a distant, hidden artery that defines the broader reach of the regional topography. Sunningdale maintains an atmosphere of reserve, where the tilt of the earth and the proximity to the great lake dictate the way shadows stretch long and thin across the lawns when the sun begins to fail. The development of Sunningdale reflects the broader transformation of the Halton region, shifting from early agricultural roots to a quiet residential character. Local industry and the rhythms of daily labor have largely moved toward the suburban edge, leaving the streets to follow the steady, predictable pulse of modern commuters. Despite this transition, the land retains a sense of its original composure, holding onto the quietude that once defined the space before the arrival of widespread construction. Residents move through their days with a focus on the immediate, grounded by the steady geography of the nearby Milton Heights and the persistent, low-lying influence of Lake Ontario.
Live animated radar for Sunningdale 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 | Sunningdale, Halton, Ontario |
| Coordinates | 43.460278°N, 79.709445°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L6K |
| 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 Sunningdale, Ontario Weather Page
This page provides live weather conditions and forecasts for Sunningdale, 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 Sunningdale includes coordinates 43.460278°N, 79.709445°W, situated in Halton. Postal FSA: L6K. 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.