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Castle Green, Ontario Weather

Castle Green, 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 Castle Green in Halton.

🌡️ 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 Castle Green.

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

Flight conditions near Castle Green. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Castle Green.

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About Castle Green, Ontario

Castle Green is a urban community in Halton, Ontario, Canada. It is classified as a small locality. Castle Green is located at 43.4619°N, 79.6964°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L6K.

Castle Green rests upon the firm earth near the Milton Heights, where the land holds the weight of the ancient basin. It lies 14.1 km south-south-west of Mississauga, ON (from Mississauga, ON: bearing 193°T), and is situated 14.0 km north-east of Burlington. The air here carries a distinct clarity, sharpened by the proximity to the shore of Lake Ontario, which pulls a cool, restless breath across the fields at dusk. Though the Credit River runs about 10 km away, the moisture from the great lake dominates the immediate horizon, turning the light into a pale, shifting silver that clings to the low-lying slopes. The terrain is defined by this proximity to the water, a quiet expanse where the horizon feels vast and the soil retains the deep, dark character of a landscape shaped by glacial retreat. The economy of Castle Green reflects a legacy of land use that has transitioned from early agricultural roots to the modern pulse of industry and development. Life in Castle Green moves with a steady, pragmatic focus, yet there is a stillness in the way the morning fog settles over the nearby rises, momentarily silencing the machinery of progress. Local traditions remain tied to the seasonal shifts of the Ontario climate, with the inhabitants navigating the seasons with a quiet resilience. Visitors and residents alike find that the character of the site is found not in grand monuments, but in the way the wind moves across the open ground, reminding those who stay long enough that the land possesses a will of its own.

📡 Precipitation Radar

Live animated radar for Castle Green 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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LocationCastle Green, Halton, Ontario
Coordinates43.461944°N, 79.696389°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAL6K
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 Castle Green, Ontario Weather Page

This page provides live weather conditions and forecasts for Castle Green, 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 Castle Green includes coordinates 43.461944°N, 79.696389°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.