Weather forecast accuracy details for Ionia, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   93.83% 76.25% 77.50% 77.50% 81.27%
Foreca/Vaisala   74.07% 65.43% 81.48% 81.48% 75.62%
AerisWeather   72.84% 67.90% 82.72% 79.01% 75.62%
The Weather Channel   83.95% 74.07% 70.37% 70.37% 74.69%
NWS Digital Forecast   76.25% 58.75% 77.50% 77.50% 72.50%
AccuWeather   72.84% 70.37% 66.67% 65.43% 68.83%
Open-Meteo   72.84% 41.98% 79.01% 79.01% 68.21%
Weatherbit   68.75% 57.50% 70.37% 71.60% 67.06%
OpenWeather   65.43% 37.04% 79.01% 79.01% 65.12%
World Weather Online   67.90% 56.79% 55.56% 55.56% 58.95%
Pirate Weather   77.78% 35.80% 49.38% 53.09% 54.01%
Persistence   36.54% 26.00% 63.46% 63.46% 47.37%
Wetter.com   59.26% 45.68% 39.51% 39.51% 45.99%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   85.43% 78.34% 81.79% 81.79% 81.84%
Microsoft   83.20% 78.59% 81.53% 83.11% 81.61%
Foreca/Vaisala   80.11% 76.10% 80.02% 80.02% 79.06%
Weatherbit   82.46% 74.20% 79.46% 79.64% 78.94%
AccuWeather   84.28% 77.16% 76.99% 76.80% 78.81%
AerisWeather   80.39% 74.42% 80.30% 80.02% 78.78%
NWS Digital Forecast   81.32% 71.23% 72.53% 72.53% 74.40%
Open-Meteo   69.19% 58.73% 78.15% 78.15% 71.06%
Pirate Weather   73.39% 38.19% 74.60% 74.60% 65.20%
OpenWeather   57.52% 45.85% 78.24% 78.24% 64.96%
World Weather Online   48.74% 56.58% 71.15% 71.15% 61.90%
Wetter.com   54.90% 56.96% 66.20% 64.61% 60.67%
Persistence   34.56% 29.09% 56.56% 56.56% 44.19%

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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