Weather forecast accuracy details for Coraopolis, Pennsylvania

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
Foreca/Vaisala   79.57% 81.72% 88.17% 88.17% 84.41%
Dark Sky   74.19% 74.19% 87.10% 87.10% 80.65%
The Weather Channel   72.04% 82.80% 80.65% 80.65% 79.03%
Weather Underground   70.97% 82.80% 79.57% 79.57% 78.23%
AerisWeather   70.33% 72.53% 83.52% 83.52% 77.47%
AccuWeather   70.00% 76.67% 78.89% 78.89% 76.11%
NWS Digital Forecast   70.97% 69.89% 76.34% 76.34% 73.39%
World Weather Online   64.52% 55.91% 84.95% 84.95% 72.58%
Wetter   79.57% 43.01% 67.74% 67.74% 64.52%
OpenWeather   68.82% 29.03% 76.34% 76.34% 62.63%
Weatherbit   62.64% 32.97% 72.53% 72.53% 60.16%
Weather News   54.84% 48.39% 48.39% 48.39% 50.00%
Persistence   27.69% 17.65% 58.46% 58.46% 40.57%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.24% 82.13% 83.61% 83.61% 83.15%
Foreca/Vaisala   78.43% 75.93% 87.46% 86.11% 81.98%
Weather Underground   82.96% 82.41% 79.17% 79.17% 80.93%
AccuWeather   82.12% 80.63% 80.68% 78.65% 80.52%
Dark Sky   76.02% 76.48% 83.52% 83.52% 79.88%
AerisWeather   78.94% 76.25% 80.80% 80.89% 79.22%
NWS Digital Forecast   79.27% 77.49% 73.90% 73.90% 76.14%
Wetter   81.02% 64.17% 73.24% 73.06% 72.87%
World Weather Online   62.41% 56.48% 75.74% 75.74% 67.59%
OpenWeather   68.15% 45.28% 77.31% 77.31% 67.01%
Weatherbit   60.72% 53.43% 75.73% 75.73% 66.40%
Weather News   65.37% 57.13% 55.83% 55.83% 58.54%
Persistence   33.58% 26.52% 56.47% 56.47% 43.26%

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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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