5-day weather forecast for Alton Bay, New Hampshire
Today
54°
81°
Slight Chance Rain Showers
Saturday
56°
75°
Chance Rain
Showers
Showers
Sunday
65°
82°
Chance Rain
Showers
Showers
Monday
64°
84°
Chance Rain
Showers
Showers
Tuesday
64°
87°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Somersworth, New Hampshire
| The Weather Channel | 70.80% |
| Accuweather | 67.55% |
| National Weather Service | 67.14% |
| MyForecast | 64.65% |
| NWS Digital Forecast | 64.42% |
| Intellicast | 49.42% |
| 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
6.8% of National Weather Service's high temperature forecasts for Somersworth were off by more than 10 degrees last year.