Weather forecast accuracy details for Windsor Locks, 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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Dark Sky   68.89% 78.89% 83.33% 83.33% 78.61%
The Weather Channel   67.78% 76.67% 83.33% 83.33% 77.78%
Foreca/Vaisala   63.33% 78.89% 75.56% 75.56% 73.33%
Weather Underground   68.89% 77.78% 72.22% 72.22% 72.78%
AccuWeather   62.07% 78.16% 71.26% 71.26% 70.69%
World Weather Online   70.00% 54.44% 75.56% 75.56% 68.89%
OpenWeather   52.22% 56.67% 82.22% 82.22% 68.33%
AerisWeather   64.37% 57.47% 74.71% 74.71% 67.82%
NWS Digital Forecast   66.67% 56.67% 72.22% 72.22% 66.94%
Wetter   71.11% 55.56% 61.11% 61.11% 62.22%
Weatherbit   44.32% 42.70% 78.41% 78.41% 60.96%
Weather News   66.67% 46.67% 46.67% 46.67% 51.67%
Persistence   21.88% 18.18% 64.06% 64.06% 42.05%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.89% 80.46% 86.57% 86.57% 83.12%
Weather Underground   79.07% 80.83% 83.43% 83.43% 81.69%
AccuWeather   77.72% 78.39% 81.54% 78.46% 79.03%
Foreca/Vaisala   73.24% 74.17% 83.12% 84.35% 78.72%
Dark Sky   76.67% 68.06% 84.54% 84.54% 78.45%
AerisWeather   73.54% 69.82% 82.08% 82.08% 76.88%
NWS Digital Forecast   74.49% 69.63% 75.73% 75.73% 73.89%
World Weather Online   58.06% 53.89% 77.78% 77.78% 66.88%
OpenWeather   58.24% 43.61% 80.65% 80.65% 65.79%
Weatherbit   52.34% 50.57% 78.56% 78.56% 65.01%
Wetter   65.46% 35.83% 77.59% 77.59% 64.12%
Weather News   63.58% 58.15% 63.67% 63.67% 62.27%
Persistence   29.50% 27.14% 54.48% 54.48% 41.40%

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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 overview.

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