on friday we can expect sunny weather. morning temperatures will be around 13 °c. during the day they will reach a maximum of 30 °c. low temperatures at night will be around 14°c. northwesterly winds are weak.

How would the previous sentence be correctly capitalized?
On Friday we can expect sunny weather. Morning temperatures will be around 13 °C. During the day they will reach a maximum of 30 °C. Low temperatures at night will be around 14°C. Northwesterly winds are weak.