5-day weather forecast for Alcoa, Tennessee

Weather forecast accuracy details for Alcoa, Tennessee

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.

Click on the headers to sort by that column.
Weather Forecast Accuracy Data Last Month (June)
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.00% 92.22% 68.89% 68.89% 77.50%
Weather Underground   80.00% 92.22% 68.89% 68.89% 77.50%
AccuWeather   76.67% 87.78% 62.22% 60.00% 71.67%
Foreca   64.44% 80.00% 70.00% 70.00% 71.11%
NWS Digital Forecast   71.11% 85.56% 62.22% 62.22% 70.28%
Wetter   66.67% 70.00% 68.89% 68.89% 68.61%
Aeris Weather   68.89% 86.67% 54.44% 54.44% 66.11%
Open Weathermap   67.78% 81.11% 53.33% 53.33% 63.89%
World Weather Online   66.67% 68.89% 47.78% 47.78% 57.78%
Weather News   74.16% 70.00% 69.66% 0.00% 53.46%
Persistence   45.83% 54.05% 48.61% 48.61% 49.28%
Weather Forecast Accuracy Data Last Year (2019)
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.27% 80.30% 84.54% 87.06% 82.79%
Weather Underground   79.45% 80.21% 73.94% 82.72% 79.08%
Foreca   72.46% 77.31% 82.50% 82.50% 78.69%
AccuWeather   78.71% 78.62% 77.65% 77.00% 78.00%
NWS Digital Forecast   76.05% 77.47% 74.22% 74.22% 75.49%
Wetter   71.37% 63.37% 78.97% 78.97% 73.17%
World Weather Online   63.59% 58.92% 71.51% 71.51% 66.38%
Weather News   57.87% 60.08% 71.96% 45.26% 58.79%
Persistence   41.27% 32.41% 56.88% 56.88% 46.86%
 
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.

Please contact us with whatever custom needs you may have. We would love to help!