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 (May)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   81.72% 72.04% 87.10% 87.10% 81.99%
Weather Underground   81.72% 72.04% 84.95% 84.95% 80.91%
AerisWeather   77.42% 69.89% 79.57% 79.57% 76.61%
AccuWeather   79.57% 77.42% 74.19% 74.19% 76.34%
NWS Digital Forecast   73.12% 66.67% 74.19% 74.19% 72.04%
Foreca/Vaisala   55.91% 68.82% 81.72% 81.72% 72.04%
Dark Sky   44.09% 64.52% 79.57% 79.57% 66.94%
Wetter   49.46% 41.94% 80.65% 80.65% 63.17%
Weatherbit   58.06% 22.58% 84.95% 84.95% 62.63%
OpenWeather   51.61% 45.16% 73.12% 73.12% 60.75%
World Weather Online   64.52% 44.09% 65.59% 65.59% 59.95%
Weather News   11.83% 30.11% 80.65% 80.65% 50.81%
Persistence   27.69% 21.54% 63.08% 63.08% 43.85%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   78.80% 68.06% 90.77% 90.77% 82.10%
Weather Underground   78.89% 68.24% 90.49% 90.49% 82.03%
AccuWeather   78.65% 69.01% 86.82% 84.69% 79.79%
Foreca/Vaisala   67.41% 63.14% 86.17% 86.30% 75.75%
AerisWeather   72.98% 58.77% 84.54% 84.54% 75.21%
Dark Sky   59.26% 52.87% 91.23% 91.23% 73.65%
NWS Digital Forecast   73.36% 62.90% 77.05% 77.05% 72.59%
Weatherbit   63.41% 37.55% 83.66% 83.66% 67.07%
Wetter   66.29% 23.81% 87.84% 87.84% 66.45%
OpenWeather   67.69% 26.85% 79.50% 79.50% 63.38%
World Weather Online   55.37% 29.54% 75.35% 75.35% 58.90%
Persistence   41.05% 37.50% 69.52% 69.52% 54.40%
Weather News   19.28% 27.96% 84.20% 84.20% 53.91%

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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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