5-day weather forecast for Union, New Hampshire
Today
58°
89°
Mostly sunny
Sunday
52°
76°
Chance Rain
Showers
Showers
Monday
51°
72°
Chance Thunderstorms
Tuesday
56°
71°
Chance Thunderstorms
Wednesday
55°
75°
Chance Rain
Showers
Showers
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 | 5.1° | 6.2° |
| Average change in low temperature day-to-day | 7.2° | 8.1° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 71% | 48% |
| Chance of precip day after a dry day | 19% | 30% |
Weather forecast accuracy for Rochester, New Hampshire
| The Weather Channel | 72.92% |
| Intellicast | 72.92% |
| Weather Underground | 66.67% |
| AccuWeather | 64.88% |
| CustomWeather | 62.50% |
| World Weather Online | 59.57% |
| National Weather Service | 59.23% |
| NWS Digital Forecast | 56.85% |
| Persistence | 46.24% |
| 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
71.4% of Weather Underground's high temperature forecasts for Rochester were within 3 degrees of actual temperatures last month.