Weather forecast accuracy details for Yakima, Washington

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   55.91% 47.31% 82.80% 82.80% 67.20%
Weather Underground   59.14% 50.54% 78.49% 78.49% 66.67%
Foreca/Vaisala   46.24% 51.61% 81.72% 81.72% 65.32%
AccuWeather   44.09% 43.01% 83.87% 83.87% 63.71%
AerisWeather   46.24% 36.56% 81.72% 81.72% 61.56%
Dark Sky   44.09% 33.33% 81.72% 81.72% 60.22%
NWS Digital Forecast   49.46% 34.41% 75.27% 75.27% 58.60%
OpenWeather   43.01% 32.26% 76.34% 76.34% 56.99%
Weather News   40.86% 40.86% 66.67% 66.67% 53.76%
Weatherbit   47.31% 27.96% 67.74% 67.74% 52.69%
Wetter   23.66% 31.18% 67.74% 66.67% 47.31%
World Weather Online   27.96% 32.26% 61.29% 61.29% 45.70%
Persistence   37.68% 31.51% 50.72% 50.72% 42.66%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.44% 62.80% 89.78% 89.78% 79.95%
Weather Underground   77.62% 62.71% 89.23% 89.23% 79.70%
AccuWeather   76.96% 59.51% 89.96% 86.57% 78.25%
Foreca/Vaisala   73.66% 55.62% 90.98% 90.98% 77.81%
AerisWeather   74.31% 50.18% 86.83% 86.83% 74.54%
NWS Digital Forecast   72.87% 55.75% 82.32% 82.32% 73.32%
Weather News   62.33% 52.63% 86.33% 86.33% 71.91%
Wetter   69.43% 40.88% 86.74% 86.00% 70.76%
Dark Sky   41.90% 52.49% 89.96% 89.96% 68.58%
Weatherbit   60.77% 24.61% 88.12% 88.12% 65.41%
World Weather Online   49.82% 39.41% 82.04% 82.04% 63.33%
OpenWeather   56.81% 25.51% 85.45% 85.45% 63.31%
Persistence   40.78% 32.28% 73.99% 73.99% 55.26%

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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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