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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Perspective Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Plan your day around the live forecast above: London can expect a mix of sun and cloud with a chance of showers, so grab an umbrella before heading out. The regional-desk outlook draws on the latest readings from the weather office London uses to track conditions along the Thames River corridor.
What’s driving today’s weather?
A weak low-pressure system moving through southwestern Ontario is pulling in moisture from the Great Lakes, keeping skies unsettled over London. The london weather radar this morning shows scattered rain bands approaching from the west, which should arrive by mid-afternoon. Winds remain light out of the southwest, but the humidity will make it feel a few degrees warmer than the actual temperature – check the london weather feels like value in the live forecast above for the most accurate gauge.
How will the rest of the week shape up?
High pressure builds in tonight, clearing skies and dropping the overnight low into the single digits. Thursday and Friday look mostly dry, with seasonal highs near the norm for mid‑May. The london weather hourly guidance from Environment Canada shows a gradual warm‑up into the weekend, though a clipper system could bring a chance of rain by Sunday. No london weather snow is expected in the next seven days – spring has fully taken hold in the London area.
When will the rain arrive today?
Based on the london weather radar loop and the live forecast above, the first showers are expected around 2 p.m. local time, with the steadiest rain passing through between 4 p.m. and 7 p.m. Keep an umbrella handy if you’re heading out after lunch.
Is there a weather warning in effect?
No watches or warnings are currently posted for London by the weather office London relies on – Environment Canada. The only concern is the afternoon shower risk; no severe weather is anticipated. For real‑time alerts, visit the Weather Warning page.
Will the weekend be sunny?
Saturday looks partly cloudy with a high near 20 °C. Sunday brings a slight chance of rain from an approaching system, but no london weather snow is in the forecast. Check the Canada weather hub for updates on the weekend trend.