The UAE is set for a mainly sunny Tuesday, but there will be some clouds appearing in the east of the country by afternoon. Temperatures could reach 38°C in Abu Dhabi and 36°C in Dubai on Tuesday, the National Centre of Meteorology said. Conditions are expected to become humid by night and in the early hours of Wednesday and some fog may also form. Winds may reach speeds of up to 40kph across the mountain. In some parts of the country, particularly coastal regions, humidity levels are expected to hit 90 per cent, the weather bureau said. Conditions will be slight to moderate in the Arabian Gulf and the Sea of Oman.