Weather forecast accuracy details for Boise, 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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   96.77% 90.32% 100.00% 100.00% 96.77%
Weather Underground   96.77% 92.47% 96.77% 96.77% 95.70%
NWS Digital Forecast   94.62% 94.62% 96.77% 96.77% 95.70%
AerisWeather   94.62% 94.62% 95.70% 95.70% 95.16%
AccuWeather   93.48% 90.32% 96.74% 96.74% 94.32%
Dark Sky   90.32% 86.02% 95.70% 95.70% 91.94%
Foreca/Vaisala   92.47% 86.02% 93.55% 93.55% 91.40%
World Weather Online   81.72% 74.19% 96.77% 96.77% 87.37%
Wetter   98.57% 54.17% 97.14% 92.86% 85.68%
Weather News   70.97% 77.42% 94.62% 94.62% 84.41%
OpenWeather   94.62% 15.05% 94.62% 94.62% 74.73%
Weatherbit   94.62% 10.75% 92.47% 92.47% 72.58%
Persistence   47.83% 56.52% 76.81% 76.81% 64.49%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.94% 80.04% 90.62% 90.62% 85.31%
Weather Underground   80.22% 80.59% 88.67% 88.67% 84.54%
AccuWeather   80.00% 80.57% 86.06% 86.67% 83.33%
Foreca/Vaisala   77.90% 72.61% 90.61% 88.86% 82.50%
AerisWeather   77.00% 75.14% 88.83% 88.83% 82.45%
NWS Digital Forecast   78.33% 75.44% 85.85% 85.85% 81.37%
Dark Sky   64.81% 75.30% 90.25% 90.25% 80.15%
Wetter   70.10% 66.48% 83.62% 83.14% 75.83%
Weatherbit   62.70% 59.57% 83.63% 83.63% 72.38%
Weather News   60.35% 68.06% 76.79% 76.79% 70.50%
OpenWeather   59.89% 47.26% 87.28% 87.28% 70.43%
World Weather Online   43.39% 58.10% 83.52% 83.52% 67.13%
Persistence   37.89% 34.67% 70.77% 70.77% 53.53%

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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