St. Johns, Ontario Weather

Marine forecast and fishing conditions near St. Johns.

Flight conditions near St. Johns. Data source: locating…

Soil conditions, frost risk and crop weather for St. Johns.

About St. Johns, Ontario

St. Johns is a locality in Niagara, Ontario, Canada. It is classified as a village / hamlet. St. Johns is located at 43.0811°N, 79.2650°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L2T.

St. Johns rests quietly within the folds of the Short Hills, a landscape defined by its intimate connection to the Welland Canal. It lies 9.4 km south of St. Catharines, ON (from St. Catharines, ON: bearing 186°T), and is situated 13.1 km west of Niagara Falls. The low light of late afternoon catches the crests of the slopes, casting long, bruised shadows that stretch toward the nearby St. Johns Conservation Area. Only two kilometers away, the air carries a persistent, cool dampness rising from the earth, a sensory reminder of the proximity to the water that shapes this terrain. Just three kilometers to the north, the descent of DeCew Falls marks the edge of the escarpment, while four kilometers away, the still surface of Lake Moodie holds the reflected sky in a mirror of quiet grey. The land here feels concentrated and deliberate, as if the hills themselves are holding their breath against the encroaching pace of the modern world. The history of St. Johns is rooted in the early reliance on the power of moving water to drive the local mills that once defined the economy. While the industrial roar of the canal has faded into the background, the remnants of these older, water-driven efforts linger in the structure of the valley. Residents of St. Johns maintain a steady, practical existence, observing the passage of the seasons through the turning of the woods rather than the rush of traffic. Life here is defined by the proximity of the natural features that frame the horizon, creating a sense of permanence that persists even as the surrounding region evolves.

Live animated radar for St. Johns 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

About This St. Johns, Ontario Weather Page

This page provides live weather conditions and forecasts for St. Johns, 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 St. Johns includes coordinates 43.081111°N, 79.265000°W, situated in Niagara. Postal FSA: L2T. 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.