Weather forecast accuracy details for Sequim, 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
Foreca/Vaisala   95.70% 74.19% 86.02% 86.02% 85.48%
AerisWeather   95.70% 73.12% 86.02% 86.02% 85.22%
AccuWeather   92.47% 78.49% 81.72% 81.72% 83.60%
The Weather Channel   89.25% 73.12% 83.87% 83.87% 82.53%
Microsoft   95.40% 70.11% 80.46% 82.76% 82.18%
Weatherbit   93.55% 68.82% 78.49% 78.49% 79.84%
NWS Digital Forecast   88.17% 67.74% 78.49% 78.49% 78.23%
Open-Meteo   64.52% 55.91% 86.02% 86.02% 73.12%
Pirate Weather   86.02% 39.78% 82.80% 82.80% 72.85%
Persistence   58.33% 62.50% 70.83% 70.83% 65.63%
OpenWeather   59.14% 36.56% 80.65% 80.65% 64.25%
World Weather Online   50.54% 33.33% 69.89% 69.89% 55.91%
Wetter.com   54.84% 50.54% 56.99% 56.99% 54.84%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   87.84% 78.98% 82.55% 84.05% 83.35%
The Weather Channel   86.05% 78.84% 83.90% 83.90% 83.17%
Foreca/Vaisala   84.93% 75.09% 84.18% 84.18% 82.09%
Weatherbit   85.75% 77.92% 82.26% 82.36% 82.08%
AccuWeather   86.89% 77.85% 81.39% 81.96% 82.02%
AerisWeather   82.30% 76.40% 83.52% 83.52% 81.44%
NWS Digital Forecast   80.68% 67.16% 77.99% 77.99% 75.95%
Pirate Weather   63.66% 47.23% 82.16% 82.16% 68.80%
OpenWeather   44.29% 55.90% 80.34% 80.34% 65.22%
Wetter.com   52.34% 57.21% 70.79% 68.91% 62.31%
Persistence   53.36% 46.23% 64.46% 64.46% 57.13%
World Weather Online   31.74% 31.18% 72.00% 72.00% 51.73%

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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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