Another week with heavy rainfall is in the books, though the Waterloo Region isn’t clear of wet weather yet. Prepare for a humid week of weather, with rain, clouds, and warm weather ahead; humidity levels could rise and remain throughout the week. Now overnight, skies will clear, and temperatures will cool to a low of 13 degrees. Overnight, cloud coverage is in the forecast, which will carry a 40% chance of rain overnight. Rest of the weekFor the rest of the week, Environment Canada says you can expect a mix of sun and clouds.