5-day weather forecast for Greene, Iowa

Weather forecast accuracy details for Waterloo, Iowa

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
Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   83.33% 68.89% 88.89% 88.89% 82.50%
AccuWeather   82.22% 80.00% 81.11% 82.22% 81.39%
MeteoGroup   77.78% 80.00% 81.11% 82.22% 80.28%
The Weather Channel   82.22% 70.00% 82.22% 82.22% 79.17%
National Weather Service   74.44% 62.22% 87.78% 87.78% 78.06%
WeatherBug   70.11% 62.07% 88.51% 88.51% 77.30%
Foreca   58.89% 71.11% 87.78% 87.78% 76.39%
Dark Sky (forecast.io)   77.78% 64.44% 76.67% 76.67% 73.89%
CustomWeather   70.00% 50.00% 86.67% 84.44% 72.78%
Persistence   23.33% 24.44% 57.78% 57.78% 40.83%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
MeteoGroup   67.53% 66.10% 81.82% 82.12% 74.39%
The Weather Channel   67.13% 63.51% 81.87% 81.87% 73.60%
National Weather Service   64.67% 62.40% 81.94% 80.64% 72.41%
WeatherBug   62.73% 60.41% 81.99% 81.99% 71.78%
Foreca   65.63% 60.10% 79.10% 79.10% 70.98%
AccuWeather   60.16% 50.95% 80.88% 81.37% 68.34%
Weather Underground   58.19% 56.08% 80.50% 76.08% 67.71%
CustomWeather   57.67% 54.94% 77.49% 77.59% 66.92%
Persistence   29.15% 20.86% 58.41% 58.41% 41.71%
 
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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 white paper.

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