Weather forecast accuracy details for Massena, 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
Weather Underground   75.27% 60.22% 76.34% 76.34% 72.04%
AccuWeather   67.78% 60.00% 80.00% 80.00% 71.94%
The Weather Channel   75.27% 60.22% 61.29% 61.29% 64.52%
Dark Sky   58.06% 45.16% 77.42% 77.42% 64.52%
Foreca/Vaisala   66.67% 55.91% 63.44% 63.44% 62.37%
NWS Digital Forecast   64.52% 51.61% 60.22% 60.22% 59.14%
AerisWeather   64.37% 51.72% 58.62% 58.62% 58.33%
World Weather Online   68.82% 43.01% 59.14% 59.14% 57.53%
Weather News   59.14% 34.41% 67.74% 67.74% 57.26%
OpenWeather   63.44% 47.31% 59.14% 59.14% 57.26%
Weatherbit   58.24% 36.56% 50.55% 50.55% 48.97%
Persistence   24.62% 16.18% 44.62% 44.62% 32.51%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   85.43% 61.21% 79.70% 79.70% 76.51%
The Weather Channel   85.53% 61.12% 78.31% 78.31% 75.81%
AccuWeather   83.29% 59.84% 79.10% 76.74% 74.74%
Foreca/Vaisala   80.39% 57.38% 80.19% 79.98% 74.49%
AerisWeather   76.71% 55.73% 75.75% 75.75% 70.99%
NWS Digital Forecast   77.85% 56.03% 69.62% 69.62% 68.28%
Dark Sky   56.86% 48.79% 80.63% 80.63% 66.73%
Weatherbit   62.26% 41.08% 70.24% 70.24% 60.95%
OpenWeather   62.46% 40.19% 68.81% 68.81% 60.07%
Weather News   61.90% 47.10% 63.69% 63.69% 59.10%
World Weather Online   56.21% 42.15% 64.71% 64.71% 56.95%
Persistence   31.86% 24.51% 51.87% 51.87% 40.03%

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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