AWUS81 KGYX 181328 RWSGYX Weather Summary for Maine and New Hampshire National Weather Service Gray ME 928 AM EDT Mon May 18 2026 1. Cooler today in ME with southeasterly winds, but still very warm across much of NH. A few showers possible this morning in central and northern NH including the western ME mountains. 2. Tuesday and Wednesday should feature the warmest temperatures of the year thus far with chances of isolated to scattered thunderstorms, some potentially strong. 3. Expect cooler and dry conditions to end the work week with temperatures around or slightly below normal for this time of year through the weekend. $$