Weather forecast accuracy details for Port Townsend, 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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   83.33% 87.78% 86.02% 86.02% 85.79%
Weatherbit   75.28% 84.27% 90.22% 90.22% 85.00%
The Weather Channel   83.33% 88.89% 78.49% 78.49% 82.30%
Microsoft   83.33% 80.95% 81.61% 80.46% 81.59%
Foreca/Vaisala   83.33% 80.00% 78.49% 78.49% 80.08%
AerisWeather   85.56% 77.78% 78.49% 78.49% 80.08%
Pirate Weather   81.11% 53.33% 84.95% 84.95% 76.08%
NWS Digital Forecast   77.78% 84.44% 68.82% 68.82% 74.96%
OpenWeather   47.78% 44.44% 82.80% 82.80% 64.45%
World Weather Online   61.11% 54.44% 66.67% 66.67% 62.22%
Open-Meteo   44.44% 37.78% 81.72% 81.72% 61.42%
Persistence   42.03% 59.42% 68.06% 68.06% 59.39%
Wetter.com   37.78% 44.44% 68.82% 68.82% 54.96%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   85.49% 91.29% 84.13% 84.13% 86.26%
The Weather Channel   86.14% 89.33% 84.69% 84.69% 86.21%
Microsoft   86.49% 90.17% 84.26% 83.47% 86.10%
AccuWeather   88.32% 88.78% 82.67% 82.77% 85.63%
AerisWeather   84.83% 91.10% 81.33% 81.33% 84.65%
Weatherbit   72.02% 82.72% 83.15% 83.24% 80.28%
NWS Digital Forecast   83.08% 81.59% 76.39% 76.39% 79.36%
Pirate Weather   78.03% 68.08% 83.61% 83.61% 78.33%
OpenWeather   53.37% 28.46% 82.17% 82.17% 61.54%
World Weather Online   58.52% 28.09% 76.56% 76.56% 59.93%
Persistence   42.06% 53.16% 62.76% 62.76% 55.19%
Wetter.com   41.10% 28.09% 71.24% 70.03% 52.62%

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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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