Difficult to know what to wear when the weather changes from hot and muggy to cold and rain and you’re sitting outside the restaurant for dinner

Difficult to know what to wear when the weather changes from hot and muggy to cold and rain and you're sitting outside the restaurant for dinner.
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The way forward seems to be mixing Summer and Winter wardrobes.
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Chanel-style cotton rib dress from Zara (Summer 2018) with vintage leather jacket. .
Photo seems to be slightly out of focus. Think the photographer may have had one drink too many 
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The way forward seems to be mixing Summer and Winter wardrobes.
.
Chanel-style cotton rib dress from Zara (Summer 2018) with vintage leather jacket. .
Photo seems to be slightly out of focus. Think the photographer may have had one drink too many
.
.
.
.