Weather forecast accuracy details for Bedford, 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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   71.59% 82.95% 93.18% 97.73% 86.36%
AccuWeather   73.33% 81.11% 94.44% 93.33% 85.56%
The Weather Channel   66.67% 81.72% 96.77% 96.77% 85.48%
Foreca/Vaisala   66.67% 83.87% 93.55% 93.55% 84.41%
NWS Digital Forecast   70.97% 76.34% 86.02% 86.02% 79.84%
AerisWeather   62.37% 65.59% 91.40% 91.40% 77.69%
World Weather Online   52.69% 66.67% 90.32% 90.32% 75.00%
Weatherbit   53.66% 74.39% 84.15% 84.15% 74.09%
Open-Meteo   48.39% 66.67% 88.17% 88.17% 72.85%
OpenWeather   53.76% 38.71% 91.40% 91.40% 68.82%
Pirate Weather   46.24% 44.09% 88.17% 88.17% 66.67%
Wetter   44.09% 61.29% 68.82% 68.82% 60.75%
Persistence   26.76% 26.39% 47.89% 47.89% 37.23%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   80.61% 77.19% 83.46% 83.46% 81.18%
The Weather Channel   80.24% 73.87% 84.30% 84.30% 80.68%
Foreca/Vaisala   79.69% 72.85% 82.28% 82.28% 79.27%
AccuWeather   77.11% 73.97% 80.93% 80.27% 78.07%
AerisWeather   75.72% 70.08% 83.20% 83.10% 78.02%
NWS Digital Forecast   74.93% 69.25% 76.69% 76.69% 74.39%
Weatherbit   71.85% 61.06% 78.22% 78.80% 72.48%
World Weather Online   62.03% 54.11% 77.81% 77.81% 67.94%
OpenWeather   65.10% 45.80% 78.88% 78.88% 67.16%
Pirate Weather   62.69% 34.26% 83.79% 83.79% 66.13%
Wetter   59.28% 48.66% 77.13% 73.74% 64.70%
Persistence   30.79% 30.27% 54.48% 54.48% 42.50%

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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