Weather forecast accuracy details for Preston, 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 (April)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weatherbit   81.61% 83.72% 92.22% 92.22% 87.44%
AccuWeather   91.95% 88.37% 83.33% 80.00% 85.91%
Microsoft   92.59% 89.87% 78.41% 78.41% 84.82%
NWS Digital Forecast   79.31% 88.37% 76.67% 76.67% 80.25%
Foreca/Vaisala   88.51% 79.07% 74.44% 74.44% 79.12%
The Weather Channel   82.76% 84.88% 73.33% 73.33% 78.58%
AerisWeather   89.66% 75.58% 74.44% 74.44% 78.53%
Pirate Weather   82.76% 58.14% 92.22% 74.44% 76.89%
OpenWeather   81.61% 69.77% 76.67% 76.67% 76.18%
Open-Meteo   74.71% 66.28% 81.11% 81.11% 75.80%
Wetter.com   64.37% 52.33% 92.22% 92.22% 75.28%
World Weather Online   64.37% 58.14% 84.44% 84.44% 72.85%
Persistence   41.07% 35.09% 60.34% 60.34% 49.21%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weatherbit   84.74% 88.83% 83.19% 83.28% 85.01%
The Weather Channel   87.21% 89.60% 80.68% 80.68% 84.54%
Microsoft   86.26% 88.59% 80.35% 80.99% 84.05%
AccuWeather   86.92% 87.30% 80.98% 79.22% 83.60%
Foreca/Vaisala   84.82% 87.10% 79.23% 79.23% 82.59%
AerisWeather   83.42% 88.90% 77.10% 77.10% 81.63%
NWS Digital Forecast   84.20% 85.99% 74.28% 74.28% 79.69%
Pirate Weather   77.05% 59.88% 83.04% 83.04% 75.75%
Open-Meteo   68.13% 66.30% 77.58% 77.58% 72.40%
OpenWeather   66.03% 62.50% 79.42% 79.42% 71.84%
Wetter.com   62.64% 72.60% 74.11% 73.91% 70.81%
World Weather Online   60.12% 44.43% 74.71% 74.71% 63.49%
Persistence   42.79% 50.59% 60.38% 60.38% 53.53%

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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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