5-day weather forecast for Tacoma, Washington

Weather forecast accuracy details for Tacoma, 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
Provider High Temp Low Temp Icon Precip Text Precip Overall
MeteoGroup   88.00% 84.00% 81.33% 81.33% 83.67%
The Weather Channel   72.00% 90.67% 85.33% 85.33% 83.33%
Dark Sky (forecast.io)   84.00% 68.00% 85.33% 85.33% 80.67%
Weather Underground   64.00% 92.00% 82.67% 81.33% 80.00%
Foreca   84.00% 77.33% 78.67% 78.67% 79.67%
National Weather Service   74.67% 73.33% 80.00% 80.00% 77.00%
AccuWeather   80.00% 40.00% 92.00% 93.33% 76.33%
WeatherBug   72.00% 70.67% 72.00% 72.00% 71.67%
CustomWeather   64.00% 61.33% 69.33% 69.33% 66.00%
Persistence   44.78% 36.36% 70.15% 70.15% 55.36%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   67.81% 86.81% 77.99% 77.99% 77.65%
MeteoGroup   68.64% 84.63% 77.57% 77.57% 77.10%
National Weather Service   72.78% 79.17% 76.96% 76.85% 76.44%
Weather Underground   64.48% 78.33% 76.25% 74.69% 73.44%
WeatherBug   67.69% 75.82% 74.66% 74.66% 73.20%
AccuWeather   72.48% 68.02% 74.56% 74.45% 72.38%
CustomWeather   65.94% 80.48% 68.02% 68.02% 70.61%
Foreca   68.50% 62.12% 75.88% 75.88% 70.60%
Persistence   45.60% 51.33% 76.74% 76.74% 62.60%
 
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