Clontarf, Ontario Weather
Clontarf, 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 Clontarf in Renfrew.
Marine forecast and fishing conditions near Clontarf.
Flight conditions near Clontarf. Data source: locating…
Soil conditions, frost risk and crop weather for Clontarf.
About Clontarf, Ontario
Clontarf is a locality in Renfrew, Ontario, Canada. It is classified as a village / hamlet. Clontarf is located at 45.4116°N, 77.1359°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K7V.
Clontarf sits nestled within the quiet rise of the Valiquettes Hill, a landscape defined by the rugged persistence of the Canadian Shield. It lies 36.0 km west of Renfrew, ON (from Renfrew, ON: bearing 259°T), and is situated 14.6 km south of Eganville. Rileys Lake rests just two kilometres away, its surface often holding the pale, bruised light of late afternoon like a mirror turned toward the clouds. The terrain here possesses a stark, unyielding character, where the thin soil clings to stone and the air retains a sharp, pine-scented clarity that seems to sharpen the edges of the world. Even as the shadows lengthen across the slopes, the land retains a certain stillness, as if the earth itself is holding its breath before the coming of the frost. The history of Clontarf finds its roots in the stubborn labor of those who sought to coax a living from the rocky ridges and dense timberland. While the Bonnechere River flows fourteen kilometres distant and the cascading waters of Highland Falls lie eighteen kilometres away, the people of Clontarf have long looked toward the forest and the small-scale agricultural clearings for their sustenance. Further afield, the protected expanse of Lower Madawaska River Provincial Park marks the broader wilderness that defines the regional identity. Today, the economy moves with the deliberate pace of those who work the land and the wood, maintaining a quiet independence that values the strength of the horizon over the noise of the modern world.
Live animated radar for Clontarf 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 | Clontarf, Renfrew, Ontario |
| Coordinates | 45.41156°N, 77.13589°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K7V |
| 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 Clontarf, Ontario Weather Page
This page provides live weather conditions and forecasts for Clontarf, 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 Clontarf includes coordinates 45.411560°N, 77.135890°W, situated in Renfrew. Postal FSA: K7V. 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.