5-day weather forecast for Union, New Hampshire
Today
61°
61°
Rain
Saturday
50°
53°
Rain Showers
Sunday
42°
53°
Rain Likely
Monday
39°
66°
Partly Sunny
Tuesday
43°
71°
Partly Sunny
Click on a forecast to see the forecast trend for that day
Weather changeability for Rochester, New Hampshire
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 7.9° | 6.2° |
| Average change in low temperature day-to-day | 6.0° | 8.1° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 44% | 48% |
| Chance of precip day after a dry day | 11% | 30% |
Weather forecast accuracy for Rochester, New Hampshire
| The Weather Channel | 74.14% |
| Intellicast | 74.14% |
| National Weather Service | 71.26% |
| Weather Underground | 67.24% |
| NWS Digital Forecast | 63.79% |
| CustomWeather | 63.51% |
| AccuWeather | 61.49% |
| World Weather Online | 61.21% |
| Persistence | 45.24% |
| The Weather Channel | 70.95% |
| Intellicast | 70.87% |
| CustomWeather | 68.29% |
| AccuWeather | 67.67% |
| National Weather Service | 65.78% |
| NWS Digital Forecast | 64.64% |
| Persistence | 41.68% |
ForecastAdvisor Fact
On average, AccuWeather's low temperature forecasts for Rochester were off by 3.64 degrees last year.