Memorial Day will be overcast but rain is not expected to dampen parades honoring Mainers who died serving their country, according to the National Weather Service offices in Caribou and Gray. Temperatures are expected only to peak in the low- to mid-60s throughout the day as cloud cover remains heavy. [The best stuff to do in Maine this Memorial Day weekend: May 25-27] Last Memorial Day, morning skies over Bangor were overcast, but it did not rain as it did in 2016, according to the Bangor Daily News archives. It will be drab and dreary Monday morning in southern Maine, according to the weather service.