From the WABI-TV5 & CW Forecast Center:
A storm system both at the surface and aloft will swing southeast across Northern New England tonight and then slowly ride east through the Gulf of Maine tomorrow. The storm will bring occasional showers to all of Maine tonight, with more on and off showers likely tomorrow. Despite the storm slowly moving east of our region Wednesday it will be intensifying later tomorrow and that will allow more rain to wrap around the backside of the storm, which will keep conditions unsettled across the eastern parts of Maine right into Thursday morning. The combination of clouds and showers will keep temps cooler than normal tomorrow as high temps hold in the upper 40s to mid 50s across our area. As the storm continues to pull away from our region Thursday a strong and gusty wind on its west side will usher another unseasonably cool airmass into New England and once again temps will run below normal as highs hold in the mid 40s to low 50s throughout eastern and central Maine.
High pressure moving across the Northeast Friday will bring bright and seasonable conditions as we end the workweek. Another slow moving and intensifying storm both surface and aloft will move through New England over the weekend and once again produce another period of on and off showers later Saturday and likely Sunday as well. Conditions will slowly improve next week as the latest storm system drifts off to our east and high pressure slowly approaches from the west.
Tonight: Mostly cloudy, with patchy fog and occasional showers, with low temps in the upper 30s to mid 40s.
Wednesday: On and off showers and rather chilly, with high temps in the upper 40s to mid 50s.
Thursday: Few leftover showers early then variably cloudy, blustery and chilly, with high temps in the mid 40s to low 50s.
Friday: More sun than clouds and milder, with high temps in the 50s to near 60.
Saturday: Becoming mostly cloudy, with scattered showers likely developing and high temps in the 50s.
Sunday: Variably cloudy, possible scattered showers, with high temps in the upper 40s to mid 50s.
WABI-TV5 & CW Meteorologist