5-day weather forecast for Alton Bay, New Hampshire
Today
59°
72°
Mostly cloudy
Saturday
61°
75°
Chance Rain
Showers
Showers
Sunday
56°
85°
Sunny
Monday
55°
83°
Sunny
Tuesday
59°
85°
Sunny
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Somersworth, New Hampshire
| National Weather Service | 77.56% |
| NWS Digital Forecast | 69.89% |
| MyForecast | 68.61% |
| The Weather Channel | 67.30% |
| Accuweather | 66.60% |
| Intellicast | 57.84% |
| The Weather Channel | 70.13% |
| Intellicast | 69.49% |
| Accuweather | 67.78% |
| MyForecast | 67.76% |
| National Weather Service | 66.90% |
| NWS Digital Forecast | 66.67% |
ForecastAdvisor Fact
On average, NWS Digital Forecast's high temperature forecasts for Somersworth were off by 3.80 degrees last year.