Highs next wek are in the low to mid 80s (F) and lows in high 50s to low 60s. So wether you need a fleece in the evening depends on how much you feel the cold. Perhaps a light jacket or cardigan - something easily removed and carried if you get a bit too warm.
If you have a meal in the evening you may find you need a light jacket - that aircon can be a bit chilly