Weather forecast accuracy details for Allentown, 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.

Click on the headers to sort by that column.

Weather Forecast Accuracy Data Last Month (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   88.24% 74.51% 92.16% 90.20% 86.27%
Foreca/Vaisala   72.41% 78.16% 88.51% 88.51% 81.90%
Microsoft   83.95% 71.60% 85.19% 83.95% 81.17%
The Weather Channel   90.80% 64.37% 81.61% 81.61% 79.60%
Weatherbit   84.52% 59.52% 84.52% 84.52% 78.27%
AerisWeather   88.51% 55.17% 81.61% 81.61% 76.72%
NWS Digital Forecast   75.58% 55.81% 84.88% 84.88% 75.29%
OpenWeather   77.01% 42.53% 83.91% 83.91% 71.84%
Open-Meteo   79.31% 34.48% 85.06% 85.06% 70.98%
World Weather Online   78.16% 39.08% 80.46% 80.46% 69.54%
Pirate Weather   67.82% 20.69% 83.91% 83.91% 64.08%
Wetter   62.07% 36.78% 75.86% 73.56% 62.07%
Persistence   42.62% 28.57% 54.10% 54.10% 44.85%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   85.21% 77.53% 86.94% 86.94% 84.16%
Microsoft   82.51% 74.23% 85.67% 85.67% 82.02%
Foreca/Vaisala   81.74% 72.97% 86.30% 86.30% 81.83%
AccuWeather   81.71% 75.85% 82.09% 80.47% 80.03%
AerisWeather   78.08% 71.78% 81.64% 81.64% 78.29%
Weatherbit   75.76% 67.80% 82.95% 83.14% 77.41%
NWS Digital Forecast   77.24% 69.94% 75.76% 75.76% 74.68%
OpenWeather   65.48% 54.06% 80.18% 80.18% 69.98%
World Weather Online   65.14% 52.63% 77.08% 77.08% 67.98%
Wetter   61.19% 53.79% 79.18% 77.53% 67.92%
Pirate Weather   63.28% 37.36% 83.70% 83.70% 67.01%
Persistence   30.88% 30.89% 54.37% 54.37% 42.63%

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.

Please contact us with whatever custom needs you may have. We would love to help!