Weather forecast accuracy details for Bolton, Massachusetts

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
The Weather Channel   89.66% 73.56% 93.10% 93.10% 87.36%
AccuWeather   88.41% 76.47% 84.06% 84.06% 83.25%
Microsoft   81.58% 76.32% 85.53% 85.53% 82.24%
NWS Digital Forecast   66.67% 65.52% 85.06% 85.06% 75.57%
AerisWeather   62.07% 65.52% 83.91% 83.91% 73.85%
Weatherbit   64.37% 64.37% 80.46% 81.61% 72.70%
Foreca/Vaisala   64.37% 68.97% 72.41% 72.41% 69.54%
Wetter   42.53% 43.68% 90.80% 88.51% 66.38%
Pirate Weather   48.28% 21.84% 97.70% 97.70% 66.38%
World Weather Online   56.32% 43.68% 81.61% 81.61% 65.80%
Open-Meteo   64.37% 40.23% 79.31% 79.31% 65.80%
OpenWeather   60.92% 36.78% 80.46% 80.46% 64.66%
Persistence   35.48% 32.81% 33.87% 33.87% 34.01%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.95% 72.44% 87.82% 87.82% 82.01%
Microsoft   79.98% 74.18% 84.75% 84.75% 80.92%
AccuWeather   80.13% 72.65% 82.22% 81.94% 79.24%
Foreca/Vaisala   78.48% 70.70% 82.33% 82.33% 78.46%
AerisWeather   76.01% 67.58% 84.52% 84.52% 78.16%
NWS Digital Forecast   74.16% 66.08% 78.88% 78.88% 74.50%
Weatherbit   66.31% 66.06% 79.27% 79.75% 72.85%
OpenWeather   63.19% 46.52% 79.95% 79.95% 67.40%
World Weather Online   65.90% 39.46% 79.60% 79.60% 66.14%
Pirate Weather   53.31% 36.65% 85.82% 85.82% 65.40%
Wetter   49.18% 50.09% 78.66% 74.91% 63.21%
Persistence   30.00% 30.99% 51.48% 51.48% 40.99%

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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