Theresa, Ontario Weather
Theresa, 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 Theresa in Thunder Bay.
Marine forecast and fishing conditions near Theresa.
Flight conditions near Theresa. Data source: locating…
Soil conditions, frost risk and crop weather for Theresa.
About Theresa, Ontario
Theresa is a locality in Thunder Bay, Ontario, Canada. It is classified as a village / hamlet. Theresa is located at 49.6987°N, 86.5201°W. It observes Eastern Time (UTC−5 / −4). Postal code area: P0T.
Theresa occupies a quiet expanse of the Canadian Shield, where the earth holds the cold density of ancient granite beneath a thin, resilient layer of boreal forest. It lies 9.1 km south of Longlac, ON (from Longlac, ON: bearing 172°T), and is situated 31.0 km east of Geraldton. The air here tastes of needles and damp stone, particularly at dusk when the low light catches the needles of spruce and fir, turning the shadows into deep, bruised violet. To the north, the Making Ground River curls through the landscape, its movement a constant, steady pull against the stillness of the woods. Nearby, the surface of Rockyshore Lake reflects the sky with a mirror-like clarity that seems to hold the very silence of the horizon, offering a sanctuary of stillness just four kilometres from the heart of Theresa. Life in Theresa moves with the deliberate weight of northern industry, shaped by the extraction of resources that has long defined the character of the region. While MacLeod Provincial Park sits twenty-seven kilometres away as a reminder of the vast, protected wilderness that surrounds the settlement, the local focus remains on the persistence required to thrive in such a demanding environment. The heritage of the land is found in the grit of those who work the timber and the minerals, a legacy that persists in the utilitarian architecture and the clear-eyed pragmatism of the residents. Even as the seasons turn and the frost hardens the ground, Theresa maintains a steady, internal warmth, defined by the people who find a particular kind of beauty in the stark, unyielding endurance of their home.
Live animated radar for Theresa 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 | Theresa, Thunder Bay, Ontario |
| Coordinates | 49.69872°N, 86.52006°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | P0T |
| 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 Theresa, Ontario Weather Page
This page provides live weather conditions and forecasts for Theresa, 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 Theresa includes coordinates 49.698720°N, 86.520060°W, situated in Thunder Bay. Postal FSA: P0T. 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.