451 AWUS81 KGYX 291834 RWSGYX Weather Summary for Maine and New Hampshire National Weather Service Gray ME 234 PM EDT Mon Jun 29 2026 1. Heat builds into the region by Wednesday and continues through at least Friday. Saturday is also trending hotter as well. High dew points combine with the heat to bring hazardous conditions from Wednesday through at least Friday. To be completed ahead of Wednesday's heat, all AC installations and preparations should be completed by Tuesday. 2. Showers and thunderstorms will be possible most days through the holiday weekend. Given the ample heat and humidity any of these thunderstorms days could also see strong to severe storms. $$