5-day weather forecast for Union, Maine
Today
42°
60°
Mostly sunny
Wednesday
42°
62°
Partly Cloudy
Thursday
49°
65°
Chance Rain
Showers
Showers
Friday
47°
65°
Chance Rain
Showers
Showers
Saturday
49°
63°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Hallowell, Maine
| National Weather Service | 83.19% |
| The Weather Channel | 81.28% |
| Intellicast | 80.03% |
| MyForecast | 79.44% |
| NWS Digital Forecast | 76.87% |
| Accuweather | 75.73% |
| The Weather Channel | 71.70% |
| Intellicast | 71.50% |
| MyForecast | 68.97% |
| Accuweather | 67.94% |
| National Weather Service | 66.89% |
| NWS Digital Forecast | 65.96% |
ForecastAdvisor Fact
On average, The Weather Channel's high temperature forecasts for Hallowell were off by 3.39 degrees last year.