Weather forecast accuracy details for Harrisburg, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   81.25% 78.75% 85.00% 83.75% 82.19%
The Weather Channel   91.95% 70.11% 82.76% 82.76% 81.90%
Foreca/Vaisala   81.61% 71.26% 86.21% 86.21% 81.32%
Weatherbit   89.53% 67.44% 79.07% 79.07% 78.78%
AccuWeather   81.93% 74.39% 77.11% 79.52% 78.24%
AerisWeather   70.11% 66.67% 82.76% 82.76% 75.57%
OpenWeather   58.62% 45.98% 88.51% 88.51% 70.40%
NWS Digital Forecast   60.71% 60.71% 79.76% 79.76% 70.24%
Open-Meteo   65.52% 43.68% 85.06% 85.06% 69.83%
World Weather Online   52.87% 48.28% 82.76% 82.76% 66.67%
Pirate Weather   51.72% 27.59% 83.91% 83.91% 61.78%
Wetter   45.98% 51.72% 78.16% 70.11% 61.49%
Persistence   45.00% 32.79% 48.33% 48.33% 43.61%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.76% 75.27% 87.82% 87.82% 82.67%
Microsoft   80.69% 74.19% 86.81% 86.81% 82.12%
Foreca/Vaisala   79.21% 73.26% 87.09% 87.09% 81.66%
AccuWeather   78.52% 73.60% 82.79% 80.99% 78.97%
AerisWeather   74.82% 68.68% 84.89% 84.80% 78.30%
Weatherbit   71.78% 69.41% 84.00% 84.19% 77.34%
NWS Digital Forecast   67.19% 63.03% 77.24% 77.24% 71.18%
Wetter   48.44% 58.52% 79.67% 76.92% 65.89%
Pirate Weather   48.67% 31.96% 87.05% 87.05% 63.68%
World Weather Online   60.15% 33.43% 78.45% 78.45% 62.62%
OpenWeather   48.35% 40.48% 80.13% 80.13% 62.27%
Persistence   30.61% 29.29% 56.59% 56.59% 43.27%

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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