Weather forecast accuracy details for Williamsport, 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   87.84% 75.34% 93.24% 89.19% 86.40%
Weatherbit   81.40% 72.09% 91.86% 91.86% 84.30%
Microsoft   76.92% 82.05% 85.90% 89.74% 83.65%
The Weather Channel   81.61% 68.97% 91.95% 91.95% 83.62%
Foreca/Vaisala   71.26% 75.86% 91.95% 91.95% 82.76%
NWS Digital Forecast   72.29% 65.06% 93.98% 93.98% 81.33%
AerisWeather   79.31% 65.52% 87.36% 87.36% 79.89%
Open-Meteo   60.92% 36.78% 91.95% 91.95% 70.40%
World Weather Online   59.77% 47.13% 83.91% 83.91% 68.68%
OpenWeather   63.22% 31.03% 89.66% 89.66% 68.39%
Pirate Weather   44.83% 26.44% 90.80% 90.80% 63.22%
Wetter   42.53% 37.93% 86.21% 78.16% 61.21%
Persistence   37.70% 30.16% 57.38% 57.38% 45.65%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.74% 78.06% 87.88% 87.88% 83.64%
Microsoft   81.05% 76.17% 87.06% 87.06% 82.83%
Foreca/Vaisala   77.04% 73.89% 85.67% 85.67% 80.57%
AccuWeather   79.62% 75.50% 82.17% 81.03% 79.58%
AerisWeather   75.46% 72.87% 83.56% 83.56% 78.86%
NWS Digital Forecast   75.00% 72.19% 78.09% 78.09% 75.84%
Weatherbit   71.35% 65.62% 80.60% 80.79% 74.59%
OpenWeather   57.87% 49.17% 81.91% 81.91% 67.71%
Pirate Weather   49.81% 34.73% 84.76% 84.76% 63.52%
Wetter   47.69% 53.70% 76.49% 73.83% 62.93%
World Weather Online   60.87% 33.82% 78.45% 78.45% 62.90%
Persistence   30.92% 31.59% 53.27% 53.27% 42.26%

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!