morning temperatures will be around 18 °c. during the day they will reach a maximum of 22 °c. low temperatures at night will be around 17°c. northerly winds will be moderate to brisk with strong gusts.

How would the previous sentence be correctly capitalized?
Morning temperatures will be around 18 °C. During the day they will reach a maximum of 22 °C. Low temperatures at night will be around 17°C. Northerly winds will be moderate to brisk with strong gusts.