The Egyptian Meteorological Authority (EMA) predicted a significant decline in the temperatures on Tuesday, with moderate weather in Cairo, the Delta region.
Hot weather will prevail in Upper Egypt, and South Sinai.
Meteorologists also predicted temperatures will be very cold across the country at night.
Temperatures predicted for the following cities are: 27C in Cairo, 24C in Alexandria, 23C in Marsa Matruh, 26C in Sohag, 27C in Qena, and 29C in Aswan.