Weather forecast accuracy details for Custer, South Dakota

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   85.71% 85.71% 95.24% 98.81% 91.37%
AccuWeather   84.29% 81.43% 94.29% 95.71% 88.93%
The Weather Channel   82.76% 81.61% 93.10% 93.10% 87.64%
Foreca/Vaisala   80.46% 77.01% 90.80% 90.80% 84.77%
Weatherbit   77.01% 75.86% 87.36% 88.51% 82.18%
World Weather Online   79.31% 67.82% 87.36% 87.36% 80.46%
Open-Meteo   79.31% 56.32% 93.10% 93.10% 80.46%
AerisWeather   71.26% 72.41% 82.76% 82.76% 77.30%
Pirate Weather   77.01% 41.38% 91.95% 91.95% 75.57%
OpenWeather   74.71% 48.28% 89.66% 89.66% 75.57%
NWS Digital Forecast   60.92% 72.41% 79.31% 79.31% 72.99%
Persistence   23.33% 29.51% 65.00% 65.00% 45.71%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   81.82% 73.55% 84.34% 84.34% 81.01%
Microsoft   83.19% 71.35% 82.48% 82.48% 79.87%
AccuWeather   82.08% 73.05% 79.18% 79.09% 78.35%
Foreca/Vaisala   79.25% 67.22% 80.13% 80.13% 76.68%
AerisWeather   74.01% 64.37% 81.04% 81.14% 75.14%
NWS Digital Forecast   72.88% 65.52% 76.93% 76.93% 73.06%
Weatherbit   76.06% 63.44% 74.41% 74.41% 72.08%
OpenWeather   72.45% 42.61% 80.31% 80.31% 68.92%
World Weather Online   64.56% 45.31% 75.93% 75.93% 65.43%
Pirate Weather   64.00% 27.81% 83.01% 83.01% 64.46%
Persistence   27.01% 27.82% 63.33% 63.33% 45.37%

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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