Weather forecast accuracy details for Vernal, 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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   51.61% 39.78% 90.32% 90.32% 68.01%
The Weather Channel   52.69% 38.71% 88.17% 88.17% 66.94%
Foreca/Vaisala   54.84% 38.71% 82.80% 82.80% 64.78%
Dark Sky   16.13% 30.11% 96.77% 96.77% 59.95%
AerisWeather   47.31% 21.51% 84.95% 84.95% 59.68%
Wetter   38.71% 22.58% 88.17% 88.17% 59.41%
AccuWeather   41.94% 33.33% 77.42% 76.34% 57.26%
NWS Digital Forecast   29.03% 31.18% 80.65% 80.65% 55.38%
OpenWeather   41.94% 32.26% 73.12% 73.12% 55.11%
World Weather Online   35.48% 30.11% 72.04% 72.04% 52.42%
Weatherbit   31.18% 20.43% 62.37% 62.37% 44.09%
Weather News   0.00% 3.23% 72.04% 72.04% 36.83%
Persistence   36.23% 21.92% 43.48% 43.48% 36.28%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   82.01% 71.23% 91.23% 91.23% 83.93%
The Weather Channel   82.28% 71.14% 91.05% 91.05% 83.88%
AerisWeather   77.53% 66.48% 85.94% 85.84% 78.95%
AccuWeather   78.70% 72.22% 81.33% 81.85% 78.53%
Foreca/Vaisala   66.85% 64.38% 86.63% 86.63% 76.12%
NWS Digital Forecast   74.68% 63.81% 80.02% 80.02% 74.63%
Dark Sky   56.31% 53.93% 91.59% 91.59% 73.35%
Wetter   65.91% 22.50% 89.64% 89.64% 66.93%
Weatherbit   63.29% 26.67% 85.21% 85.21% 65.09%
World Weather Online   68.68% 37.09% 72.16% 72.16% 62.52%
OpenWeather   69.22% 26.85% 75.71% 75.71% 61.87%
Weather News   32.51% 28.39% 86.26% 86.26% 58.36%
Persistence   39.83% 38.09% 66.34% 66.34% 52.65%

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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 overview.

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