Weather forecast accuracy details for Vineyard Haven, Massachusetts

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   82.80% 72.04% 87.10% 87.10% 82.26%
The Weather Channel   83.87% 67.74% 86.02% 86.02% 80.91%
Weather Underground   83.87% 70.97% 76.34% 76.34% 76.88%
AerisWeather   75.56% 52.22% 81.11% 81.11% 72.50%
AccuWeather   80.00% 64.44% 72.22% 72.22% 72.22%
World Weather Online   69.89% 37.63% 82.80% 82.80% 68.28%
OpenWeather   63.44% 31.18% 86.02% 86.02% 66.67%
NWS Digital Forecast   77.42% 54.84% 60.22% 60.22% 63.17%
Weatherbit   69.57% 36.26% 71.74% 71.74% 62.33%
Wetter   77.42% 37.63% 65.59% 65.59% 61.56%
Dark Sky   3.23% 29.03% 90.32% 90.32% 53.23%
Weather News   73.12% 21.51% 51.61% 51.61% 49.46%
Persistence   21.21% 23.53% 56.06% 56.06% 39.22%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   81.53% 60.02% 86.15% 86.15% 78.46%
Foreca/Vaisala   78.58% 56.69% 86.07% 86.06% 76.85%
Weather Underground   81.81% 60.85% 82.18% 82.18% 76.75%
AccuWeather   81.42% 56.61% 83.62% 80.11% 75.44%
AerisWeather   75.56% 52.69% 82.50% 82.50% 73.31%
NWS Digital Forecast   75.44% 54.23% 72.56% 72.56% 68.70%
Weatherbit   57.56% 45.38% 78.07% 78.07% 64.77%
Wetter   61.40% 42.20% 75.16% 75.16% 63.48%
Dark Sky   27.15% 45.06% 85.50% 85.50% 60.80%
World Weather Online   47.69% 44.17% 75.56% 75.56% 60.74%
OpenWeather   42.38% 44.23% 77.84% 77.84% 60.57%
Weather News   68.76% 39.34% 64.88% 64.88% 59.46%
Persistence   37.20% 26.21% 55.73% 55.73% 43.72%

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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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