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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   80.72% 69.88% 89.16% 89.16% 82.23%
AccuWeather   78.31% 67.07% 91.57% 91.57% 82.13%
The Weather Channel   81.61% 68.97% 88.51% 88.51% 81.90%
Foreca/Vaisala   71.26% 62.07% 85.06% 85.06% 75.86%
AerisWeather   67.82% 54.02% 88.51% 88.51% 74.71%
Weatherbit   83.91% 56.32% 79.31% 79.31% 74.71%
OpenWeather   66.67% 54.02% 88.51% 88.51% 74.43%
NWS Digital Forecast   71.26% 52.87% 82.76% 82.76% 72.41%
World Weather Online   59.77% 50.57% 89.66% 89.66% 72.41%
Open-Meteo   63.22% 40.23% 86.21% 86.21% 68.97%
Wetter   44.83% 48.28% 87.36% 81.61% 65.52%
Pirate Weather   52.87% 20.69% 90.80% 90.80% 63.79%
Persistence   47.62% 25.00% 52.38% 52.38% 44.35%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   84.12% 74.93% 87.09% 87.09% 83.31%
The Weather Channel   85.48% 66.30% 88.40% 88.40% 82.15%
Foreca/Vaisala   80.27% 67.12% 86.85% 86.85% 80.27%
AccuWeather   82.75% 72.82% 80.09% 78.39% 78.51%
AerisWeather   77.63% 62.74% 82.83% 82.83% 76.51%
Weatherbit   70.33% 60.19% 81.82% 82.01% 73.59%
NWS Digital Forecast   76.17% 60.90% 77.70% 77.70% 73.12%
OpenWeather   61.64% 44.29% 81.55% 81.55% 67.26%
World Weather Online   60.55% 46.51% 78.03% 78.03% 65.78%
Pirate Weather   56.14% 33.79% 85.81% 85.81% 65.38%
Wetter   48.49% 45.94% 78.72% 76.35% 62.37%
Persistence   36.83% 27.54% 52.20% 52.20% 42.19%

If this data feeds your inner weather geek, you'll probably be interested in the amazing amount of weather data available from ForecastWatch. Likewise, if you're looking to assess your own forecasting accuracy or would like to make more informed decisions about a weather provider you're considering or already use, we can provide data to help you.

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 overview.

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