Weather forecast accuracy details for Salt Lake City, Utah

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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   86.02% 75.27% 91.40% 91.40% 86.02%
Microsoft   79.55% 80.68% 88.64% 92.05% 85.23%
AccuWeather   78.89% 75.56% 88.89% 87.78% 82.78%
Weatherbit   81.72% 67.74% 83.87% 84.95% 79.57%
Foreca/Vaisala   76.34% 68.82% 86.02% 86.02% 79.30%
NWS Digital Forecast   82.80% 65.59% 81.72% 81.72% 77.96%
AerisWeather   74.19% 69.89% 80.65% 80.65% 76.34%
Open-Meteo   62.37% 54.84% 83.87% 83.87% 71.24%
OpenWeather   50.54% 54.84% 84.95% 84.95% 68.82%
Wetter   47.31% 60.22% 70.97% 70.97% 62.37%
World Weather Online   37.63% 52.69% 79.57% 79.57% 62.37%
Pirate Weather   35.48% 35.48% 87.10% 87.10% 61.29%
Persistence   44.93% 26.76% 53.62% 53.62% 44.73%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.47% 77.90% 87.67% 87.67% 84.18%
Microsoft   81.78% 80.36% 84.44% 84.44% 82.76%
AccuWeather   83.89% 76.61% 81.33% 81.23% 80.76%
Foreca/Vaisala   76.99% 73.06% 85.48% 85.48% 80.25%
AerisWeather   78.54% 67.85% 85.11% 85.21% 79.18%
NWS Digital Forecast   79.98% 67.86% 79.19% 79.19% 76.56%
Weatherbit   70.37% 66.61% 83.58% 83.67% 76.06%
Wetter   60.06% 74.12% 77.00% 76.35% 71.88%
Pirate Weather   47.07% 40.57% 86.17% 86.17% 65.00%
OpenWeather   52.79% 41.64% 80.09% 80.09% 63.65%
World Weather Online   59.69% 20.44% 79.37% 79.37% 59.72%
Persistence   32.21% 38.10% 60.65% 60.65% 47.90%

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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