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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the True North Brief Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Morrisburg’s current temperature, wind, and sky conditions. Expect a high near the seasonal average today with a low around 4–6°C overnight, and a 40% chance of light rain by late afternoon from a passing system off Lake Ontario.
What will the next few days look like in Morrisburg?
Temperatures over the next 48 hours will hover between 12°C and 16°C for highs, with overnight lows near 4–7°C. A weak cold front Tuesday will bring northwesterly winds gusting to 30 km/h and clearing skies. The mid-week outlook holds mostly sunny conditions, with highs climbing back to near 17°C by Thursday. For a wider regional picture, see our Ottawa Weather page, as Morrisburg shares much of the same upper-level pattern.
How reliable is the 14-day forecast for Morrisburg?
Environment and Climate Change Canada issues a 14-day outlook that is most accurate in the first 5–7 days. Day 8–14 confidence drops to roughly 50%, especially for precipitation timing. The best resource for a live, hour-by-hour view is the morrisburg weather network feed, while radar data is available via morrisburg weather environment canada radar loops.
For travellers wanting a finer look, the weather in morrisburg 10 days window is usually enough to plan outdoor work along the St. Lawrence Seaway. The Canada weather hub also links to regional alerts that affect this corridor.
Is the weather in Morrisburg very different from Ottawa?
Morrisburg sits 100 km south of Ottawa, near the St. Lawrence River. It is typically 1–2°C cooler than Ottawa in spring due to lake breezes off Lake Ontario, and it receives slightly more lake-effect cloud in late afternoon.
Where can I find the Morrisburg weather radar?
The nearest operational radar is at Franktown (near Ottawa). Environment and Climate Change Canada’s radar page covers the region; search “Morrisburg” on their site for the loop. The morrisburg weather radar overlay on the national map updates every 10 minutes.
Where can I check the morrisburg weather 14 day forecast?
The official 14-day outlook is published daily by Environment Canada on its weather.gc.ca page for Morrisburg. The Weather Network also provides a morrisburg weather 14 day forecast with hourly breakdowns for the first week.