Weather forecast accuracy details for Reading, Pennsylvania

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 (July)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   94.62% 81.72% 74.19% 74.19% 81.18%
AccuWeather   91.11% 83.33% 67.78% 67.78% 77.50%
Weather Underground   94.62% 81.72% 66.67% 66.67% 77.42%
Foreca/Vaisala   79.57% 79.57% 75.27% 75.27% 77.42%
Dark Sky   79.57% 79.57% 72.04% 72.04% 75.81%
AerisWeather   89.25% 75.27% 65.59% 65.59% 73.92%
NWS Digital Forecast   90.32% 77.42% 59.14% 59.14% 71.51%
Weather News   83.87% 69.89% 64.52% 64.52% 70.70%
Weatherbit   71.91% 42.22% 73.03% 73.03% 65.05%
Wetter   50.54% 65.59% 62.37% 62.37% 60.22%
OpenWeather   50.54% 39.78% 66.67% 66.67% 55.91%
World Weather Online   81.72% 12.90% 56.99% 56.99% 52.15%
Persistence   54.41% 44.78% 51.47% 51.47% 50.53%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.47% 77.90% 85.93% 85.93% 83.31%
Weather Underground   83.57% 78.92% 84.35% 84.35% 82.80%
AccuWeather   81.41% 71.81% 82.95% 80.90% 79.27%
Foreca/Vaisala   79.39% 73.35% 81.24% 82.59% 79.14%
Dark Sky   75.49% 70.66% 84.54% 84.54% 78.81%
AerisWeather   75.05% 69.27% 80.50% 80.50% 76.33%
NWS Digital Forecast   75.96% 69.86% 72.07% 72.07% 72.49%
Weather News   67.63% 56.17% 66.14% 66.14% 64.02%
Weatherbit   50.52% 49.34% 77.68% 77.68% 63.81%
Wetter   43.92% 52.83% 78.15% 78.15% 63.26%
OpenWeather   47.63% 42.90% 76.39% 76.39% 60.83%
World Weather Online   45.44% 41.53% 72.79% 72.79% 58.14%
Persistence   32.15% 28.45% 54.06% 54.06% 42.18%

If this data feeds your inner weather geek, you'll probably be interested in the amazing amount of weather data available from ForecastWatch. Likewise, if you're looking to assess your own forecasting accuracy or would like to make more informed decisions about a weather provider you're considering or already use, we can provide data to help you.

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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