5-day weather forecast for Portland, Pennsylvania
Today
45°
73°
Slight Chance Rain Showers
Sunday
53°
69°
Chance Rain
Showers
Showers
Monday
57°
73°
Chance Thunderstorms
Tuesday
60°
81°
Chance Thunderstorms
Wednesday
60°
80°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather changeability for Andover, New Jersey
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 4.2° | 5.8° |
| Average change in low temperature day-to-day | 4.8° | 7.6° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 67% | 43% |
| Chance of precip day after a dry day | 32% | 28% |
Weather forecast accuracy for Andover, New Jersey
| The Weather Channel | 76.39% |
| Intellicast | 76.39% |
| CustomWeather | 76.11% |
| Weather Underground | 71.11% |
| National Weather Service | 69.17% |
| NWS Digital Forecast | 68.33% |
| AccuWeather | 67.22% |
| World Weather Online | 65.00% |
| Persistence | 42.47% |
| The Weather Channel | 72.84% |
| Intellicast | 72.82% |
| AccuWeather | 70.08% |
| National Weather Service | 69.36% |
| CustomWeather | 68.52% |
| NWS Digital Forecast | 66.41% |
| Persistence | 42.27% |
ForecastAdvisor Fact
24.7% of Persistence's high temperature forecasts for Andover were off by more than 10 degrees last month.