Weather forecast accuracy details for Stanley, 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.

Click on the headers to sort by that column.

Weather Forecast Accuracy Data Last Month (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weatherbit   82.76% 70.11% 91.11% 91.11% 83.77%
The Weather Channel   80.00% 71.11% 86.67% 86.67% 81.11%
Microsoft   66.29% 77.53% 84.44% 84.44% 78.18%
AccuWeather   81.11% 75.56% 76.67% 76.67% 77.50%
AerisWeather   65.56% 68.89% 87.78% 87.78% 77.50%
Foreca   64.44% 66.67% 87.78% 87.78% 76.67%
NWS Digital Forecast   76.67% 71.11% 76.67% 76.67% 75.28%
Pirate Weather   76.67% 41.11% 90.00% 82.22% 72.50%
World Weather Online   52.22% 48.89% 81.11% 81.11% 65.83%
Open-Meteo   50.00% 57.78% 72.22% 72.22% 63.06%
Wetter.com   36.67% 53.33% 78.89% 78.89% 61.94%
OpenWeather   26.67% 55.56% 68.89% 68.89% 55.00%
Persistence   31.18% 39.78% 64.52% 64.52% 50.00%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   76.56% 75.35% 85.62% 85.62% 80.79%
Microsoft   74.34% 72.25% 84.30% 85.27% 79.04%
Foreca   69.65% 72.08% 85.99% 85.99% 78.43%
AerisWeather   69.47% 70.03% 85.15% 84.97% 77.40%
AccuWeather   74.05% 72.89% 82.01% 80.59% 77.38%
Weatherbit   73.27% 69.29% 80.95% 81.04% 76.14%
NWS Digital Forecast   69.40% 66.08% 79.73% 79.73% 73.73%
Pirate Weather   68.53% 35.29% 83.47% 83.47% 67.69%
Open-Meteo   60.04% 51.91% 79.37% 79.37% 67.67%
Wetter.com   49.95% 47.43% 76.47% 76.28% 62.54%
OpenWeather   51.07% 35.95% 81.14% 81.14% 62.32%
World Weather Online   46.31% 48.27% 77.03% 77.03% 62.16%
Persistence   31.12% 26.47% 61.80% 61.80% 45.30%

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!