Port Britain, Ontario Weather
Port Britain, 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 Port Britain in Northumberland.
Marine forecast and fishing conditions near Port Britain.
Flight conditions near Port Britain. Data source: locating…
Soil conditions, frost risk and crop weather for Port Britain.
About Port Britain, Ontario
Port Britain is a locality in Northumberland, Ontario, Canada. It is classified as a village / hamlet. Port Britain is located at 43.9359°N, 78.3655°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L1A.
Port Britain rests upon the limestone-inflected shoreline of Lake Ontario, where the horizon dissolves into a seamless grey expanse of water and sky. It lies 16.4 km west of Cobourg, ON (from Cobourg, ON: bearing 259°T), and is situated 10.4 km south of Port Hope. The land rises with a modest, deliberate incline toward the Pidgeon Hill, a rise that catches the low-slung sun and holds the warmth of the day long after the shadows lengthen across the fields. Here, the air carries a sharp, clean clarity, tasting faintly of the lake and the deep, silent cooling of the earth as evening settles. The Ganaraska River flows through the wider region, threading its way through the landscape about 6 km away, a distant pulse of movement that defines the flow of the broader territory. The history of Port Britain is marked by the quiet persistence of agricultural life and the steady influence of its proximity to the lake, which has long served as both a boundary and a gateway. Port Britain maintains an identity shaped by the labor of those who worked the soil and the mariners who once looked to these shores for shelter. Today, the pace of life reflects the seasonal shifts of the Ontario climate, with residents moving in harmony with the long winters and the sudden, vivid blooming of the growing season. The lingering presence of older, sturdy architecture provides a grounding weight to the landscape, offering a sense of permanence against the vast, shifting presence of the water that dominates the southern edge of the horizon.
Live animated radar for Port Britain 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 | Port Britain, Northumberland, Ontario |
| Coordinates | 43.93595°N, 78.36554°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L1A |
| 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 Port Britain, Ontario Weather Page
This page provides live weather conditions and forecasts for Port Britain, 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 Port Britain includes coordinates 43.935950°N, 78.365540°W, situated in Northumberland. Postal FSA: L1A. 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.