Monticello, Ontario Weather
Monticello, 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 Monticello in Dufferin.
Marine forecast and fishing conditions near Monticello.
Flight conditions near Monticello. Data source: locating…
Soil conditions, frost risk and crop weather for Monticello.
About Monticello, Ontario
Monticello is a locality in Dufferin, Ontario, Canada. It is classified as a village / hamlet. Monticello is located at 43.9818°N, 80.4065°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L0N.
Monticello sits nestled within the quiet, rolling terrain of Dufferin, defined by the proximity of the Grand River and the rising prominence of Morrow's Hill. It lies 51.6 km north-north-west of Guelph, ON (from Guelph, ON: bearing 344°T), and is situated 11.7 km north-west of Grand Valley. The light at dusk here catches the moisture rising from the low-lying reaches of the Luther Marsh Conservation Area, which sits just 2 km away, casting long, bruised purples across the fields that seem to hold the heat of the day long after the sun has dipped below the horizon. Luther Lake, located about 5 km from the settlement, acts as a silent anchor to the landscape, its presence dictating the movement of air that stirs the heavy grasses near the riverbank. Life in Monticello follows the slow, deliberate turning of the seasons, rooted in a history of husbandry and the steady cultivation of the surrounding earth. The local economy relies on the resilience of these fields, where the soil demands a patient hand and a respect for the drainage patterns defined by the nearby Grand River. Beyond the reach of industry, the character of Monticello persists in the way the wind carries the scent of damp earth and coming rain across the open stretches of land. The quietude of the region allows for an awareness of the small, singular movements of the day—a hawk circling above the slope of Morrow's Hill or the sudden, sharp clarity of the air that precedes a deep winter frost.
Live animated radar for Monticello 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 | Monticello, Dufferin, Ontario |
| Coordinates | 43.98181°N, 80.40646°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L0N |
| 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 Monticello, Ontario Weather Page
This page provides live weather conditions and forecasts for Monticello, 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 Monticello includes coordinates 43.981810°N, 80.406460°W, situated in Dufferin. Postal FSA: L0N. 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.