Weather forecast accuracy details for Tacna, Arizona

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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weatherbit   92.59% 85.19% 97.53% 97.53% 93.21%
The Weather Channel   93.83% 82.72% 97.53% 97.53% 92.90%
AccuWeather   95.06% 79.01% 97.53% 97.53% 92.28%
Microsoft   94.81% 79.22% 95.77% 95.77% 91.39%
Foreca/Vaisala   93.83% 74.07% 98.77% 98.77% 91.36%
AerisWeather   95.06% 70.37% 98.77% 98.77% 90.74%
NWS Digital Forecast   93.83% 67.90% 97.53% 97.53% 89.20%
Pirate Weather   97.53% 45.68% 97.53% 97.53% 84.57%
Open-Meteo   90.12% 53.09% 97.53% 97.53% 84.57%
OpenWeather   93.83% 45.68% 97.53% 97.53% 83.64%
Wetter.com   75.31% 40.74% 97.53% 97.53% 77.78%
Persistence   40.38% 33.33% 100.00% 100.00% 68.43%
World Weather Online   61.73% 17.28% 95.06% 95.06% 67.28%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   93.74% 82.03% 98.50% 98.61% 93.22%
The Weather Channel   92.02% 82.62% 98.30% 98.30% 92.81%
Weatherbit   91.55% 79.39% 98.30% 98.30% 91.88%
AerisWeather   90.03% 79.58% 98.30% 98.30% 91.55%
Foreca/Vaisala   90.31% 79.01% 98.20% 98.20% 91.43%
AccuWeather   92.20% 76.80% 97.02% 96.55% 90.64%
NWS Digital Forecast   92.51% 69.64% 96.73% 96.73% 88.90%
Pirate Weather   90.48% 50.19% 98.20% 98.20% 84.26%
Open-Meteo   90.12% 52.99% 95.36% 95.36% 83.46%
OpenWeather   89.65% 43.02% 93.75% 93.75% 80.04%
Wetter.com   82.34% 37.13% 97.25% 96.97% 78.42%
World Weather Online   83.57% 39.98% 93.09% 93.09% 77.43%
Persistence   54.83% 45.48% 92.73% 92.73% 71.44%

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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