London Ontario 2 Week Weather Forecast 2025 Season. See the london, on extended weather forecast including feels like temperature, wind gust and chance of rain or snow from theweathernetwork.com See the long range weather forecast for london, check the 30 days forecast view, select a month and get the average expected weather for london.

Reduced visibility at times in. Locally heavy snowfall with total accumulations of exceeding 15 cm.