Alderslea, Ontario Weather
Alderslea, 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 Alderslea in Simcoe.
Marine forecast and fishing conditions near Alderslea.
Flight conditions near Alderslea. Data source: locating…
Soil conditions, frost risk and crop weather for Alderslea.
About Alderslea, Ontario
Alderslea is a compact rural community in Simcoe, Ontario, Canada. It is classified as a small locality. Alderslea is located at 44.3226°N, 79.5373°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L9S.
Alderslea rests along the quiet, expansive edge of Lake Simcoe, where the horizon meets a shimmering expanse of water that reflects the changing temperament of the sky. It lies 12.4 km east-south-east of Barrie, ON (from Barrie, ON: bearing 116°T), and is situated 8.4 km north-east of Innisfil. The land surrounding Alderslea rises toward the prominence of Little Hell Hill, a landmark that anchors the local topography against the flat, distant reach of the shoreline. At dusk, the light here turns a bruised, pearlescent violet, catching the silt in the air and casting a heavy, golden weight upon the reeds. While the Maskinonge (Jersey) River flows some twelve kilometers away, its presence is felt in the moisture that lingers in the soil, sustaining a landscape defined by its proximity to the basin. The history of Alderslea remains rooted in the pragmatic labor of those who first cleared the timber and broke the heavy clay to establish small-scale agricultural holdings. Today, the economy of Alderslea reflects a transition from these early agrarian roots toward a quiet residential character, where the pace of life follows the seasonal shifts of the lake. Local traditions persist in the small, persistent patterns of daily maintenance and the communal observation of the freezing and thawing of the water. Even now, the residents of Alderslea carry a deep familiarity with the terrain, treating the elevation of Little Hell Hill as a silent guardian over their modest, hardworking lives.
Live animated radar for Alderslea 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 | Alderslea, Simcoe, Ontario |
| Coordinates | 44.32264°N, 79.53729°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L9S |
| 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 Alderslea, Ontario Weather Page
This page provides live weather conditions and forecasts for Alderslea, 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 Alderslea includes coordinates 44.322640°N, 79.537290°W, situated in Simcoe. Postal FSA: L9S. 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.