Marshall Bay, Ontario Weather

Marine forecast and fishing conditions near Marshall Bay.

Flight conditions near Marshall Bay. Data source: locating…

Soil conditions, frost risk and crop weather for Marshall Bay.

About Marshall Bay, Ontario

Marshall Bay is a locality in Carleton, Ontario, Canada. It is classified as a village / hamlet. Marshall Bay is located at 45.4354°N, 76.2963°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K7S.

Marshall Bay tucks itself into the quiet contours of the Boomcamp Hill, where the land yields to the persistent, slow-moving reach of the Mississippi River. It lies 4.8 km east of Arnprior, ON (from Arnprior, ON: bearing 89°T), and is situated 11.6 km north of Pakenham. The water here reflects the sky with a mirror-like clarity, especially during the long, amber light of late afternoon when the shadows of the hills lengthen across the surface. Nearby, the Morris Island Conservation Area offers a retreat into the dense, quiet woods that define this stretch of the riverbank. Even the distant Petit lac à la Mine d'Or seems to share in the stillness that settles over Marshall Bay once the wind dies down. The air holds a crisp, damp weight, carrying the scent of river mud and pine needles, a reminder that the landscape is always settling into its own deliberate pace. The history of Marshall Bay mirrors the broader patterns of settlement that followed the river’s course, with early industries relying on the waterways for timber and trade. Today, the economy leans into a quieter existence, where the land is valued as much for its preservation as its utility. Visitors often find themselves drawn to the Morris Island Conservation Area for a glimpse of the local ecology, which remains largely undisturbed by the frantic pace of modern development. Life in Marshall Bay follows the subtle shift of the seasons, observed by those who work the land or walk the riverbanks as the frost hardens the earth or the spring melt swells the Mississippi River. The people here maintain a quiet respect for the geography, finding a steady comfort in the familiar landmarks that have watched over the river for generations.

Live animated radar for Marshall Bay 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 Marshall Bay, Ontario Weather Page

This page provides live weather conditions and forecasts for Marshall Bay, 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 Marshall Bay includes coordinates 45.435410°N, 76.296310°W, situated in Carleton. Postal FSA: K7S. 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.