Add spaces: Morningtemperatureswillbearound11C.Duringthedaytheywillreachamaximumof15C.Lowtemperaturesatnightwillbearound8C.Southeasterlywindsareweak.
Morning temperatures will be around 11 C. During the day they will reach a maximum of 15 C. Low temperatures at night will be around 8C. Southeasterly winds are weak.