Weather forecast accuracy details for Detroit, 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.

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Weather Forecast Accuracy Data Last Month (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.49% 80.65% 95.70% 95.70% 87.63%
Weather Underground   78.49% 81.72% 90.32% 90.32% 85.22%
Dark Sky   72.04% 79.57% 91.40% 91.40% 83.60%
Foreca/Vaisala   76.34% 77.42% 84.95% 84.95% 80.91%
AccuWeather   71.11% 85.56% 81.11% 81.11% 79.72%
World Weather Online   70.97% 70.97% 83.87% 83.87% 77.42%
AerisWeather   70.00% 70.00% 81.11% 81.11% 75.56%
Wetter   54.84% 68.82% 78.49% 78.49% 70.16%
Weatherbit   58.70% 58.06% 76.09% 76.09% 67.23%
OpenWeather   53.76% 48.39% 81.72% 81.72% 66.40%
NWS Digital Forecast   76.34% 51.61% 65.59% 65.59% 64.78%
Weather News   61.29% 60.22% 67.74% 67.74% 64.25%
Persistence   27.27% 38.24% 51.52% 51.52% 42.13%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.64% 82.27% 85.24% 85.24% 83.84%
Weather Underground   82.08% 82.45% 83.47% 83.47% 82.87%
Foreca/Vaisala   79.39% 80.78% 82.96% 81.80% 81.23%
AccuWeather   80.66% 83.44% 79.05% 77.75% 80.22%
Dark Sky   72.89% 77.53% 82.45% 82.45% 78.83%
AerisWeather   75.88% 76.82% 79.05% 79.05% 77.70%
NWS Digital Forecast   77.16% 71.24% 70.43% 70.43% 72.32%
Wetter   56.36% 64.81% 76.69% 76.69% 68.64%
World Weather Online   59.78% 59.68% 74.30% 74.30% 67.02%
Weatherbit   57.39% 58.02% 72.92% 72.92% 65.31%
OpenWeather   59.33% 51.72% 73.63% 73.63% 64.58%
Weather News   62.49% 61.65% 66.11% 66.11% 64.09%
Persistence   34.39% 31.43% 54.88% 54.88% 43.89%

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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