Weather forecast accuracy details for Shirley, New York

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
The Weather Channel   90.32% 68.82% 100.00% 100.00% 89.78%
Weather Underground   90.32% 70.97% 96.77% 96.77% 88.71%
Foreca/Vaisala   83.87% 63.44% 100.00% 100.00% 86.83%
AccuWeather   93.55% 66.67% 93.55% 92.47% 86.56%
AerisWeather   88.17% 61.29% 96.77% 96.77% 85.75%
Weather News   86.02% 53.76% 91.40% 91.40% 80.65%
NWS Digital Forecast   80.65% 47.31% 96.77% 96.77% 80.38%
World Weather Online   75.27% 41.94% 93.55% 93.55% 76.08%
Wetter   81.72% 43.01% 87.10% 87.10% 74.73%
OpenWeather   77.42% 26.88% 96.77% 96.77% 74.46%
Weatherbit   65.56% 28.89% 92.22% 92.22% 69.72%
Dark Sky   3.23% 29.03% 96.77% 96.77% 56.45%
Persistence   30.43% 19.18% 49.28% 49.28% 37.04%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   85.56% 71.39% 89.47% 89.47% 83.97%
Weather Underground   86.39% 71.67% 85.41% 85.41% 82.22%
AccuWeather   83.68% 72.21% 87.33% 84.75% 81.99%
Foreca/Vaisala   79.91% 66.67% 89.10% 89.10% 81.20%
AerisWeather   78.61% 62.78% 85.87% 85.87% 78.28%
NWS Digital Forecast   78.34% 63.37% 79.06% 79.06% 74.96%
Weather News   74.28% 56.82% 79.54% 79.54% 72.54%
Wetter   73.70% 42.69% 77.38% 77.38% 67.79%
World Weather Online   63.23% 49.58% 77.13% 77.13% 66.77%
Weatherbit   64.28% 34.91% 83.33% 83.33% 66.47%
Dark Sky   30.28% 57.96% 86.80% 86.80% 65.46%
OpenWeather   44.44% 40.65% 80.98% 80.98% 61.76%
Persistence   31.17% 28.41% 50.00% 50.00% 39.89%

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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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