In the evening mostly cloudy weather will prevail. Morning temperatures will be around 17 °C. During the day they will reach a maximum of 21 °C. Low temperatures at night will be around 12°C. We have weak westerly winds.

Make this lower case.
in the evening mostly cloudy weather will prevail. morning temperatures will be around 17 °c. during the day they will reach a maximum of 21 °c. low temperatures at night will be around 12°c. we have weak westerly winds.