Oldcastle, Ontario Weather
Oldcastle, 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 Oldcastle in Essex.
Marine forecast and fishing conditions near Oldcastle.
Flight conditions near Oldcastle. Data source: locating…
Soil conditions, frost risk and crop weather for Oldcastle.
About Oldcastle, Ontario
Oldcastle is a locality in Essex, Ontario, Canada. It is classified as a village / hamlet. Oldcastle is located at 42.2267°N, 82.9583°W. It observes Eastern Time (UTC−5 / −4). Postal code area: N9G.
Oldcastle rests upon the flat, fertile plains of southwestern Ontario, where the horizon stretches wide and the sky holds a heavy, expansive clarity. It lies 8.9 km south-south-east of Windsor, ON (from Windsor, ON: bearing 161°T), and is situated 7.4 km east of LaSalle. The land here remains stubbornly level, a vast expanse of rich earth that draws the eye toward the distant, hazy line where sky meets field, while the Little River winds its way through the broader landscape some 13 km away. During the late afternoon, the light turns a bruised, honeyed gold, catching the edges of the fields and casting long, thin shadows that seem to stretch across the horizon as if trying to reach the edge of the world. Oldcastle maintains an identity defined by its transition between rural expanse and industrial utility, housing various manufacturing enterprises and businesses that anchor the local economy. The rhythm of daily life follows the steady hum of machinery and the movement of transport along the arterial roads, reflecting a practical, industrious nature. Oldcastle bears the quiet gravity of a place that values production and perseverance, where the work of the day leaves a faint, lingering scent of dry earth and steel in the air long after the sun has slipped beneath the flat, dark line of the fields.
Live animated radar for Oldcastle 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 | Oldcastle, Essex, Ontario |
| Coordinates | 42.226667°N, 82.958333°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | N9G |
| 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 Oldcastle, Ontario Weather Page
This page provides live weather conditions and forecasts for Oldcastle, 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 Oldcastle includes coordinates 42.226667°N, 82.958333°W, situated in Essex. Postal FSA: N9G. 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.