Weather forecast accuracy details for Greenwood, South Carolina

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
The Weather Channel   70.97% 77.42% 93.55% 93.55% 83.87%
Weather Underground   70.97% 77.42% 92.47% 92.47% 83.33%
AccuWeather   68.89% 74.44% 88.89% 88.89% 80.28%
AerisWeather   72.22% 72.22% 86.67% 86.67% 79.44%
Foreca/Vaisala   65.59% 72.04% 87.10% 87.10% 77.96%
NWS Digital Forecast   73.12% 68.82% 77.42% 77.42% 74.19%
Dark Sky   53.76% 37.63% 94.62% 94.62% 70.16%
OpenWeather   61.29% 36.56% 87.10% 87.10% 68.01%
Weatherbit   48.35% 37.36% 82.42% 82.42% 62.64%
World Weather Online   44.09% 34.41% 86.02% 86.02% 62.63%
Wetter   60.22% 25.81% 80.65% 80.65% 61.83%
Weather News   58.06% 46.24% 70.97% 70.97% 61.56%
Persistence   20.31% 13.24% 64.06% 64.06% 40.42%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.26% 81.75% 86.72% 86.72% 83.86%
Weather Underground   79.80% 81.84% 85.98% 85.98% 83.40%
AccuWeather   81.36% 79.45% 84.19% 78.59% 80.90%
Foreca/Vaisala   76.16% 74.95% 84.03% 84.96% 80.03%
AerisWeather   77.40% 71.90% 81.28% 81.28% 77.97%
Dark Sky   71.90% 52.10% 86.87% 86.87% 74.43%
NWS Digital Forecast   74.70% 70.68% 74.37% 74.37% 73.53%
OpenWeather   57.91% 51.49% 80.22% 80.22% 67.46%
Wetter   56.89% 45.07% 81.99% 81.99% 66.48%
Weatherbit   60.49% 48.53% 78.20% 78.20% 66.36%
World Weather Online   47.49% 54.66% 77.90% 77.90% 64.49%
Weather News   66.95% 53.26% 68.80% 68.80% 64.45%
Persistence   40.37% 32.60% 59.46% 59.46% 47.97%

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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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