5-day weather forecast for Portsmouth, Rhode Island
Today
68°
87°
Thunderstorms likely
Thursday
62°
77°
Chance Thunderstorms
Friday
63°
78°
Mostly sunny
Saturday
65°
83°
Mostly sunny
Sunday
67°
82°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Middletown, Rhode Island
| The Weather Channel | 79.38% |
| MyForecast | 76.48% |
| National Weather Service | 75.33% |
| NWS Digital Forecast | 74.34% |
| Accuweather | 72.69% |
| Intellicast | 57.20% |
| The Weather Channel | 76.20% |
| Intellicast | 75.93% |
| Accuweather | 73.39% |
| MyForecast | 73.25% |
| National Weather Service | 72.48% |
| NWS Digital Forecast | 71.64% |
ForecastAdvisor Fact
On average, NWS Digital Forecast's high temperature forecasts for Middletown were off by 3.07 degrees last year.