5-day weather forecast for Scarborough, Maine
Today
50°
74°
Mostly Sunny
Thursday
49°
71°
Mostly Sunny
Friday
54°
75°
Slight Chance Thunderstorms
Saturday
56°
74°
Slight Chance Rain Showers
Sunday
59°
77°
Mostly Cloudy
Click on a forecast to see the forecast trend for that day
Weather changeability for Portland, Maine
Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.
Weather forecast accuracy for Portland, Maine
| The Weather Channel | 71.11% |
| Intellicast | 71.11% |
| National Weather Service | 71.11% |
| CustomWeather | 70.83% |
| AccuWeather | 69.17% |
| Weather Underground | 67.50% |
| NWS Digital Forecast | 66.11% |
| World Weather Online | 56.90% |
| Persistence | 46.11% |
| The Weather Channel | 75.47% |
| Intellicast | 75.47% |
| National Weather Service | 71.74% |
| AccuWeather | 71.26% |
| CustomWeather | 69.93% |
| NWS Digital Forecast | 69.21% |
| Persistence | 46.44% |
ForecastAdvisor Fact
64.4% of National Weather Service's high temperature forecasts for Portland were within 3 degrees of actual temperatures last month.