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Williamsport, Ontario Weather

Williamsport, 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 Williamsport in Muskoka.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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ECCC Extended Forecast
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🌊 Marine & Fishing

Marine forecast and fishing conditions near Williamsport.

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Williamsport. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Williamsport.

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About Williamsport, Ontario

Williamsport is a locality in Muskoka, Ontario, Canada. It is classified as a village / hamlet. Williamsport is located at 45.4121°N, 79.1700°W. It observes Eastern Time (UTC−5 / −4). Postal code area: P1H.

Williamsport rests quietly along the banks of the Big East River, where the water moves with a steady, amber clarity through the granite-strewn landscape. It lies 14.0 km north-east of Huntsville, ON (from Huntsville, ON: bearing 37°T), and is situated 15.3 km north-west of Dwight. The air here holds a crisp, persistent chill, carrying the scent of damp pine needles and the distant, rhythmic rush of Stubb’s Falls, which lies four kilometers to the north. Only three kilometers away, the boundaries of Arrowhead Provincial Park offer a vast, shielded expanse of forest, while Little Arrowhead Lake hides in the nearby brush, a quiet mirror for the shifting clouds. As the sun dips toward the horizon, the light catches the surface of the Big East River, turning the moving water into a ribbon of hammered copper that lingers against the dark, cooling earth. History in Williamsport lingers in the quiet persistence of those who first cleared the timber and built their lives against the stubborn, rocky soil. The local economy has long looked toward the land and the river, shifting from early logging operations to a seasonal life that respects the heavy snows of winter and the sudden, vibrant bloom of the spring thaw. Residents here keep a watchful eye on the changing seasons, recognizing the deep stillness that settles over the region when the frost holds the forest in its grip. Williamsport maintains a character defined by this proximity to the wild, where the presence of the Big East River provides a constant, low-frequency hum that anchors the days of those who live within its reach.

📡 Precipitation Radar

Live animated radar for Williamsport and surroundings — RainViewer.

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🛰️ Satellite Imagery

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.

NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector
🎬 Animated loop 🔍 Higher resolution (1125×560) 🌡️ Infrared (IR) view 🇨🇦 ECCC Satellite Viewer

Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload

🌙 Astronomy
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LocationWilliamsport, Muskoka, Ontario
Coordinates45.41205°N, 79.16996°W
TimezoneEastern Time (UTC−5 / −4)
Postal FSAP1H
Area Code226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), Environment and Climate Change Canada

About This Williamsport, Ontario Weather Page

This page provides live weather conditions and forecasts for Williamsport, 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 Williamsport includes coordinates 45.412050°N, 79.169960°W, situated in Muskoka. Postal FSA: P1H. 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.