5-day weather forecast for New Preston Marble Dale, Connecticut

Weather forecast accuracy details for Danbury, Connecticut

These are the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). Temperature accuracy is the percentage of forecasts within three degrees. Precipitation accuracy is the percentage of correct forecasts. The forecasts are collected in the evening.

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Weather Forecast Accuracy Data Last Month
Provider High Temp Low Temp Icon Precip Text Precip Overall
MeteoGroup   75.31% 60.49% 72.84% 72.84% 70.37%
AccuWeather   71.79% 61.54% 67.95% 70.51% 67.95%
Foreca   67.95% 60.26% 71.79% 71.79% 67.95%
The Weather Channel   69.14% 56.79% 69.14% 69.14% 66.05%
Weather Underground   67.90% 55.56% 69.14% 69.14% 65.43%
Dark Sky (forecast.io)   67.90% 51.85% 59.26% 59.26% 59.57%
NWS Digital Forecast   69.14% 56.79% 44.44% 44.44% 53.70%
Persistence   29.33% 44.59% 66.67% 66.67% 51.82%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   76.96% 58.55% 82.06% 82.06% 74.91%
MeteoGroup   77.12% 59.42% 81.54% 81.45% 74.88%
The Weather Channel   77.18% 58.71% 80.02% 80.02% 73.98%
WeatherBug   70.92% 54.11% 82.15% 82.15% 72.33%
AccuWeather   73.63% 59.51% 78.44% 77.40% 72.25%
Foreca   70.83% 55.68% 80.40% 80.40% 71.83%
CustomWeather   71.28% 52.82% 75.24% 75.24% 68.64%
NWS Digital Forecast   74.98% 57.59% 69.53% 69.53% 67.91%
Persistence   28.75% 23.68% 54.42% 54.42% 40.32%
 
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The data here is calculated from forecasts and observations collected and analyzed by ForecastWatch. If you would like more information about the methods, scientific approach, and the quality controls employed to ensure the data and analyses are of the highest quality, please read this white paper.

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