Weather forecast accuracy details for Greenville, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   77.01% 65.52% 90.80% 90.80% 81.03%
Microsoft   73.08% 65.38% 80.77% 88.46% 76.92%
AccuWeather   79.52% 58.54% 83.13% 83.13% 76.08%
Foreca/Vaisala   65.52% 66.67% 82.76% 82.76% 74.43%
Weatherbit   70.11% 58.62% 75.86% 75.86% 70.11%
AerisWeather   62.07% 52.87% 79.31% 79.31% 68.39%
NWS Digital Forecast   60.00% 48.24% 78.82% 78.82% 66.47%
Wetter   39.08% 44.83% 87.36% 85.06% 64.08%
Pirate Weather   50.57% 17.24% 94.25% 94.25% 64.08%
Open-Meteo   56.32% 35.63% 75.86% 75.86% 60.92%
OpenWeather   49.43% 34.48% 77.01% 77.01% 59.48%
World Weather Online   48.28% 43.68% 71.26% 71.26% 58.62%
Persistence   32.79% 25.40% 57.38% 57.38% 43.23%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   82.20% 74.65% 85.37% 85.37% 81.90%
The Weather Channel   81.37% 68.77% 87.03% 87.03% 81.05%
AccuWeather   79.81% 72.44% 80.76% 81.14% 78.54%
Foreca/Vaisala   77.81% 66.76% 83.56% 83.56% 77.92%
AerisWeather   75.25% 63.56% 82.28% 82.28% 75.84%
NWS Digital Forecast   71.39% 61.54% 78.68% 78.68% 72.57%
Weatherbit   70.10% 60.00% 78.86% 79.33% 72.07%
World Weather Online   64.28% 45.37% 78.51% 78.51% 66.67%
OpenWeather   59.45% 44.11% 80.27% 80.27% 66.03%
Pirate Weather   54.20% 31.67% 84.67% 84.67% 63.80%
Wetter   40.64% 45.57% 79.27% 75.53% 60.25%
Persistence   31.59% 27.68% 52.74% 52.74% 41.19%

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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