Prospect Harbor, ME Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Prospect Harbor Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Clear | Partly Sunny | Clear | Sunny | Chance of Showers | Chance of Showers | Clear | Sunny | Clear | Sunny | Partly Cloudy | Chance of Rain |
| Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C |
| POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Tue Oct 27 2026 

Prospect Harbor Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Prospect Harbor Weather Map
Prospect Harbor Quick Facts
Prospect Harbor Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 200 PM EDT Tue Oct 27 2026
Key Messages
1) Generally dry weather through next Sunday. Drought conditions will worsen.
Discussion
...
KEY MESSAGE 1...Generally dry weather through next Sunday. Drought conditions will worsen.
KEY MESSAGE 1 DESCRIPTION... High pressure will crest over the area tonight through Wednesday, with winds becoming light and skies remaining mostly clear. This setup will be favorable for boundary layer decoupling tonight, with low temperatures likely dropping down to around 20 or even the upper teens in th...
Weather World