Residents in Waterloo can expect the foggy and overcast conditions that started the day on Friday, April 17, 2026, to lift by midday. According to The Weather Network, the morning temperature of 11°C will climb to a sunny afternoon high of 20°C.
Data recorded at the Region of Waterloo Int’l Airport shows that as of early this morning, humidity was at 90 percent with winds blowing from the north-northwest at 11 km/h. While it is currently misty, the skies are expected to clear as the day progresses. The UV index is expected to be high at 7, so residents planning outdoor activities should take appropriate precautions.
There are no active weather alerts or warnings in effect for the area. The forecast for tonight calls for partly cloudy skies with a low of 8°C, though fog patches may return overnight.
This weather report is provided based on data from Environment Canada and local observations.
