Weather forecast accuracy details for Defiance, 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
The Weather Channel   78.49% 78.49% 90.32% 90.32% 84.41%
Weather Underground   78.49% 78.49% 89.25% 89.25% 83.87%
AerisWeather   78.89% 63.33% 87.78% 87.78% 79.44%
AccuWeather   66.67% 85.56% 80.00% 80.00% 78.06%
Foreca/Vaisala   79.57% 72.04% 79.57% 79.57% 77.69%
Dark Sky   70.97% 63.44% 81.72% 81.72% 74.46%
World Weather Online   67.74% 56.99% 80.65% 80.65% 71.51%
NWS Digital Forecast   74.19% 64.52% 72.04% 72.04% 70.70%
OpenWeather   69.89% 49.46% 80.65% 80.65% 70.16%
Wetter   58.06% 48.39% 76.34% 76.34% 64.78%
Weatherbit   63.04% 51.61% 68.48% 68.48% 62.90%
Weather News   63.44% 56.99% 61.29% 61.29% 60.75%
Persistence   21.54% 32.35% 58.46% 58.46% 42.70%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   87.15% 78.68% 82.45% 82.45% 82.68%
Weather Underground   87.24% 79.52% 80.78% 80.78% 82.08%
AccuWeather   84.56% 77.44% 76.46% 77.09% 78.89%
Foreca/Vaisala   79.80% 74.67% 81.01% 77.99% 78.37%
Dark Sky   76.16% 72.44% 81.80% 81.80% 78.05%
AerisWeather   82.35% 68.16% 77.47% 77.47% 76.36%
NWS Digital Forecast   81.78% 70.70% 71.11% 71.11% 73.68%
Weather News   66.45% 57.08% 67.10% 67.10% 64.43%
Wetter   41.15% 56.61% 75.86% 75.86% 62.37%
Weatherbit   50.81% 49.00% 70.29% 70.29% 60.10%
World Weather Online   46.18% 52.89% 70.10% 70.10% 59.82%
OpenWeather   44.60% 47.58% 72.70% 72.70% 59.40%
Persistence   34.44% 27.80% 56.10% 56.10% 43.61%

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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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