This combined with moderate isentropic lift will generate a period of light rain tonight across the area along and ahead of the cold front and associated shortwave energy. Tonight, a weak northern stream shortwave at 500mb crosses the area. Somerset and far Western Aroostook counties.

By late afternoon in response to increased surface lift ahead of the front we will see showers developing across western zones especially in Piscataquis, N. Cannot rule out upper 40s for the Islands and right at the shoreline. Onshore winds means the cool spots will be the Downeast coast in the low 50s for MDI, and areas south of Route 1. Temperatures generally in the upper 50s to low 60s with the warm spots across The County. Today will be a mostly cloudy day but there will be some sunny breaks. Light southerly winds gradually increase today with the approaching front from the west. Today a 500mb dirty ridge continues to push east into the Maritimes as Maine is in return flow with surface high pressure over eastern Nova Scotia.

A frontal boundary stalls out to the south with waves of low pressure riding along it Wednesday and Thursday.ġ205PM Update.No major changes to the forecast for this update. Weak high pressure builds in late Monday night through Tuesday night. A cold front approaches Sunday night, then crosses the area Monday and Monday evening. High pressure will slowly exit over the Maritimes today. Area Forecast Discussion National Weather Service Caribou ME 1206 PM EDT Sun May 5 2024

30 day forecast for bar harbor maine