At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Nantucket for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Southampton is roughly greater than that of Nantucket. You can assume this to be the case over the next 13 days.
We forecast the temperature to be around the 22 °Cs in July, on average. The temperature in Nantucket is generally the same as in Southampton. Book flights in a timely manner in correlation to your departure date.