Weather forecast accuracy details for Greenville, Michigan

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.

Click on the headers to sort by that column.

Weather Forecast Accuracy Data Last Month (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   65.56% 76.67% 90.00% 86.67% 79.72%
Microsoft   69.23% 74.73% 79.12% 83.52% 76.65%
Foreca/Vaisala   63.44% 70.97% 86.02% 86.02% 76.61%
AerisWeather   66.67% 70.97% 81.72% 82.80% 75.54%
The Weather Channel   63.44% 74.19% 78.49% 78.49% 73.66%
Weatherbit   63.44% 73.12% 78.49% 78.49% 73.39%
Open-Meteo   59.14% 54.84% 79.57% 79.57% 68.28%
NWS Digital Forecast   60.22% 73.12% 67.74% 67.74% 67.20%
World Weather Online   61.29% 56.99% 73.12% 73.12% 66.13%
Wetter   59.14% 61.29% 68.82% 68.82% 64.52%
OpenWeather   55.91% 45.16% 73.12% 73.12% 61.83%
Pirate Weather   68.82% 33.33% 70.97% 70.97% 61.02%
Persistence   12.68% 20.83% 46.48% 46.48% 31.62%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   84.84% 80.55% 85.66% 85.66% 84.18%
Foreca/Vaisala   79.18% 78.90% 87.31% 87.31% 83.17%
Microsoft   81.03% 81.13% 84.41% 84.41% 82.75%
AccuWeather   81.90% 78.22% 83.22% 83.51% 81.71%
AerisWeather   80.55% 77.81% 83.65% 84.20% 81.55%
NWS Digital Forecast   80.70% 78.30% 77.26% 77.26% 78.38%
Weatherbit   77.18% 74.27% 79.44% 79.72% 77.65%
World Weather Online   56.35% 59.50% 78.89% 78.89% 68.41%
OpenWeather   58.63% 53.33% 80.82% 80.82% 68.40%
Pirate Weather   66.58% 41.30% 79.30% 79.30% 66.62%
Wetter   61.46% 56.89% 74.34% 71.42% 66.03%
Persistence   30.86% 30.34% 58.24% 58.24% 44.42%

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.

Please contact us with whatever custom needs you may have. We would love to help!