Weather forecast accuracy details for Ashtabula, Ohio

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
Weather Underground   74.19% 68.82% 73.12% 73.12% 72.31%
Foreca/Vaisala   75.27% 73.12% 68.82% 68.82% 71.51%
The Weather Channel   74.19% 67.74% 69.89% 69.89% 70.43%
AccuWeather   67.78% 66.67% 71.11% 71.11% 69.17%
Wetter   65.59% 55.91% 77.42% 77.42% 69.09%
AerisWeather   74.73% 53.85% 67.03% 67.03% 65.66%
Weatherbit   64.44% 44.57% 76.67% 76.67% 65.59%
OpenWeather   68.82% 55.91% 67.74% 67.74% 65.05%
Dark Sky   72.04% 60.22% 62.37% 62.37% 64.25%
World Weather Online   72.04% 58.06% 54.84% 54.84% 59.95%
Weather News   61.29% 52.69% 61.29% 61.29% 59.14%
NWS Digital Forecast   73.12% 53.76% 53.76% 53.76% 58.60%
Persistence   24.62% 30.88% 41.54% 41.54% 34.64%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.33% 75.19% 78.15% 78.15% 78.70%
Weather Underground   83.52% 75.65% 77.69% 77.69% 78.63%
Foreca/Vaisala   80.37% 74.07% 80.65% 77.87% 78.24%
Dark Sky   76.48% 73.52% 78.43% 78.43% 76.71%
AccuWeather   82.12% 74.21% 72.32% 73.13% 75.44%
AerisWeather   76.74% 62.88% 72.93% 73.12% 71.42%
Wetter   53.15% 57.04% 75.93% 75.93% 65.51%
NWS Digital Forecast   76.52% 64.08% 60.54% 60.54% 65.42%
Weatherbit   58.17% 52.08% 72.71% 72.71% 63.92%
Weather News   66.51% 55.74% 65.58% 65.58% 63.36%
OpenWeather   56.67% 50.83% 63.70% 63.70% 58.73%
World Weather Online   57.13% 58.61% 57.78% 57.78% 57.82%
Persistence   29.63% 29.48% 53.91% 53.91% 41.73%

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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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