during the night cloudy and rainy weather will dominate. morning temperatures will be around 13 °c. during the day they will reach a maximum of 25 °c. low temperatures at night will be around 16°c. we have weak southerly winds.

How would the previous sentence be correctly capitalized?
During the night cloudy and rainy weather will dominate. Morning temperatures will be around 13 °C. During the day they will reach a maximum of 25 °C. Low temperatures at night will be around 16°C. We have weak southerly winds.