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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weatherbit   91.95% 86.21% 88.51% 88.51% 88.79%
Foreca/Vaisala   96.55% 88.51% 78.16% 78.16% 85.34%
Microsoft   94.25% 81.61% 82.76% 75.86% 83.62%
The Weather Channel   96.55% 78.16% 77.01% 77.01% 82.18%
AccuWeather   96.15% 78.48% 73.08% 73.08% 80.20%
Pirate Weather   70.11% 54.02% 91.95% 91.95% 77.01%
AerisWeather   90.80% 88.51% 60.92% 60.92% 75.29%
NWS Digital Forecast   90.80% 58.62% 58.62% 58.62% 66.67%
OpenWeather   50.57% 50.57% 72.41% 72.41% 61.49%
World Weather Online   62.07% 51.72% 65.52% 65.52% 61.21%
Open-Meteo   49.43% 32.18% 73.56% 73.56% 57.18%
Wetter   43.68% 45.98% 62.07% 63.22% 53.74%
Persistence   43.33% 39.34% 61.67% 61.67% 51.50%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   86.85% 89.77% 88.04% 88.04% 88.17%
Foreca/Vaisala   87.49% 89.59% 87.67% 87.67% 88.11%
Microsoft   88.34% 86.54% 88.06% 88.06% 87.75%
AccuWeather   88.82% 87.59% 83.32% 84.93% 86.16%
AerisWeather   83.20% 90.41% 83.47% 83.47% 85.14%
NWS Digital Forecast   83.87% 81.74% 82.85% 82.85% 82.83%
Weatherbit   77.90% 78.55% 84.25% 84.35% 81.26%
Pirate Weather   74.82% 49.18% 85.26% 85.26% 73.63%
World Weather Online   65.43% 43.94% 83.86% 83.86% 69.27%
OpenWeather   65.02% 37.81% 86.03% 86.03% 68.72%
Wetter   56.16% 45.48% 76.80% 71.51% 62.49%
Persistence   45.61% 48.96% 63.28% 63.28% 55.29%

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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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