Weather forecast accuracy details for Shelter Island Heights, New York

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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.38% 45.88% 94.05% 94.05% 77.84%
Microsoft   74.36% 52.50% 90.24% 90.24% 76.84%
AerisWeather   70.24% 47.06% 91.67% 91.67% 75.16%
Foreca/Vaisala   67.86% 45.88% 91.67% 91.67% 74.27%
AccuWeather   84.52% 47.06% 78.57% 76.19% 71.59%
Weatherbit   69.14% 39.02% 88.10% 88.10% 71.09%
Open-Meteo   60.71% 38.82% 85.71% 85.71% 67.74%
Pirate Weather   57.14% 32.94% 91.67% 88.10% 67.46%
NWS Digital Forecast   66.67% 38.82% 78.57% 78.57% 65.66%
Wetter.com   29.76% 40.00% 86.90% 86.90% 60.89%
World Weather Online   33.33% 44.71% 82.14% 82.14% 60.58%
OpenWeather   22.62% 32.94% 89.29% 89.29% 58.53%
Persistence   21.31% 19.67% 50.82% 50.82% 35.66%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   81.73% 59.49% 84.19% 86.53% 77.99%
The Weather Channel   84.27% 44.66% 87.27% 87.27% 75.87%
Foreca/Vaisala   77.93% 47.04% 86.29% 86.29% 74.39%
AerisWeather   76.69% 44.29% 87.45% 87.17% 73.90%
AccuWeather   82.91% 49.62% 80.91% 80.25% 73.42%
Weatherbit   79.23% 43.06% 83.25% 83.35% 72.22%
Pirate Weather   71.63% 30.71% 85.49% 85.49% 68.33%
Open-Meteo   70.79% 41.10% 79.21% 79.21% 67.58%
NWS Digital Forecast   75.59% 41.57% 75.18% 75.18% 66.88%
Wetter.com   48.50% 36.61% 76.78% 76.31% 59.55%
World Weather Online   40.00% 39.44% 77.00% 77.00% 58.36%
OpenWeather   39.70% 32.77% 79.21% 79.21% 57.72%
Persistence   36.23% 27.75% 59.64% 59.64% 45.82%

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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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