Kemptville, Ontario Weather
Kemptville, 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 Kemptville in Grenville.
Marine forecast and fishing conditions near Kemptville.
Flight conditions near Kemptville. Data source: locating…
Soil conditions, frost risk and crop weather for Kemptville.
About Kemptville, Ontario
Kemptville is a community in Grenville, Ontario, Canada. It is classified as a town. Kemptville is located at 45.0169°N, 75.6433°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K4M.
Kemptville rests upon the steady, quiet earth of Grenville, where the land settles into a calm expanse near the Loughlin Ridge. It lies 31.8 km north-west of Iroquois, ON (from Iroquois, ON: bearing 307°T), and is situated 14.4 km south of Osgoode. The horizon here holds a particular clarity, especially at dusk when the low light catches the edges of the fields and turns the air a soft, bruised violet. While the Rideau River flows five kilometers away, its presence is felt in the moisture that clings to the evening grass, a cooling breath that drifts across the terrain long after the sun has dipped below the trees. Kemptville grew from the ambition of those who first cleared the timber, and today the local economy reflects a transition from early agricultural roots toward a modern focus on education and small-scale enterprise. The presence of the former Kemptville College grounds lingers in the collective memory, marking the site as a place once dedicated to the study of the soil and the growth of the land. Life in Kemptville moves with the deliberate pace of a season, where the turning of the leaves or the first frost dictates the mood of the streets more than any clock. On quiet afternoons, the stillness between the houses carries the weight of a long-standing history, grounding the people who live here in a shared sense of belonging to this specific, measured corner of the world.
Live animated radar for Kemptville 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 | Kemptville, Grenville, Ontario |
| Coordinates | 45.016945°N, 75.643333°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K4M |
| 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 Kemptville, Ontario Weather Page
This page provides live weather conditions and forecasts for Kemptville, 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 Kemptville includes coordinates 45.016945°N, 75.643333°W, situated in Grenville. Postal FSA: K4M. 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.