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 Gatwick 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.
Expected rainfall in Gatwick is less than in Nantucket. You can expect this to be the case over the next 9 days.
You can imagine temperatures to be in the 23 °C range in July. The weather in Nantucket is generally colder than Gatwick's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.