Hazardous Weather Outlook National Weather Service Caribou ME 225 AM EDT Wed Sep 17 2025 MEZ015>017-029-030-032-180630- Southern Penobscot-Interior Hancock-Central Washington- Coastal Hancock-Coastal Washington-Northern Washington- 225 AM EDT Wed Sep 17 2025 Saturday night, frost is likely for much of the Bangor region and Downeast. For many of these areas, this would be the first frost of the season. The coolest temperatures will be in the valleys. .