Weather forecast accuracy details for Princeton, Idaho

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 (July)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   91.11% 76.67% 90.00% 90.00% 86.94%
AerisWeather   86.02% 70.97% 91.40% 91.40% 84.95%
NWS Digital Forecast   87.10% 66.67% 90.32% 90.32% 83.60%
The Weather Channel   88.17% 67.74% 88.17% 88.17% 83.06%
Weather Underground   87.10% 65.59% 88.17% 88.17% 82.26%
Foreca/Vaisala   95.70% 49.46% 89.25% 89.25% 80.91%
OpenWeather   91.40% 39.78% 88.17% 88.17% 76.88%
Weatherbit   90.32% 25.81% 87.10% 87.10% 72.58%
Wetter   89.25% 3.23% 88.17% 88.17% 67.20%
Dark Sky   68.82% 12.90% 90.32% 90.32% 65.59%
World Weather Online   49.46% 33.33% 87.10% 87.10% 64.25%
Persistence   44.12% 52.24% 70.59% 70.59% 59.38%
Weather News   4.30% 26.88% 88.17% 88.17% 51.88%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   86.31% 72.35% 87.09% 87.09% 83.21%
Weather Underground   85.75% 72.25% 84.96% 84.96% 81.98%
Foreca/Vaisala   82.59% 69.09% 86.88% 85.42% 81.00%
AccuWeather   85.78% 73.44% 80.60% 82.63% 80.61%
AerisWeather   78.24% 59.10% 82.22% 82.22% 75.45%
NWS Digital Forecast   79.49% 57.58% 80.90% 80.90% 74.72%
Weatherbit   65.83% 41.29% 81.38% 81.38% 67.47%
OpenWeather   63.50% 43.11% 80.69% 80.69% 67.00%
Dark Sky   52.79% 43.76% 84.31% 84.31% 66.29%
World Weather Online   58.54% 47.43% 78.77% 78.77% 65.88%
Wetter   63.31% 38.64% 78.83% 78.83% 64.90%
Weather News   35.10% 49.16% 69.08% 69.08% 55.61%
Persistence   32.68% 31.40% 64.56% 64.56% 48.30%

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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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