Weather forecast accuracy details for Concord, New Hampshire

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   83.15% 74.16% 88.76% 92.13% 84.55%
AccuWeather   86.67% 74.44% 88.89% 87.78% 84.44%
The Weather Channel   82.80% 68.82% 92.47% 92.47% 84.14%
Foreca/Vaisala   79.57% 66.67% 92.47% 92.47% 82.80%
Weatherbit   74.12% 64.71% 84.71% 85.88% 77.35%
NWS Digital Forecast   74.19% 69.89% 79.57% 79.57% 75.81%
AerisWeather   70.97% 53.76% 84.95% 86.02% 73.92%
World Weather Online   52.69% 50.54% 89.25% 89.25% 70.43%
OpenWeather   64.52% 33.33% 89.25% 89.25% 69.09%
Open-Meteo   50.54% 53.76% 84.95% 84.95% 68.55%
Pirate Weather   47.31% 33.33% 90.32% 90.32% 65.32%
Wetter   46.24% 47.31% 74.19% 72.04% 59.95%
Persistence   26.76% 30.56% 40.85% 40.85% 34.75%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.41% 63.60% 86.70% 86.70% 79.35%
Microsoft   80.25% 69.23% 83.57% 83.57% 79.15%
Foreca/Vaisala   75.86% 59.80% 83.38% 83.38% 75.60%
AccuWeather   77.09% 65.67% 79.62% 78.28% 75.17%
AerisWeather   74.09% 60.35% 80.52% 80.42% 73.85%
Weatherbit   70.67% 56.09% 80.75% 81.42% 72.23%
NWS Digital Forecast   73.10% 60.40% 77.34% 77.34% 72.04%
OpenWeather   62.40% 44.29% 79.41% 79.41% 66.38%
World Weather Online   64.05% 44.28% 78.13% 78.13% 66.15%
Pirate Weather   58.24% 31.27% 83.52% 83.52% 64.14%
Wetter   53.95% 46.05% 76.08% 74.33% 62.60%
Persistence   31.78% 28.27% 54.76% 54.76% 42.39%

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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