5-day weather forecast for Cape Porpoise, Maine
Today
66°
84°
Severe Tstms
Saturday
66°
87°
Chance Thunderstorms
Sunday
63°
85°
Thunderstorms likely
Monday
62°
76°
Thunderstorms likely
Tuesday
59°
76°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Portland, Maine
| The Weather Channel | 75.12% |
| Accuweather | 73.78% |
| MyForecast | 70.97% |
| NWS Digital Forecast | 70.43% |
| National Weather Service | 64.03% |
| Intellicast | 53.07% |
| The Weather Channel | 70.22% |
| Intellicast | 70.11% |
| Accuweather | 68.65% |
| MyForecast | 66.98% |
| National Weather Service | 66.00% |
| NWS Digital Forecast | 65.81% |
ForecastAdvisor Fact
On average, MyForecast's high temperature forecasts for Portland were off by 3.70 degrees last month.