Weather forecast accuracy details for Jaffrey, 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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.87% 52.69% 94.62% 94.62% 81.45%
Weather Underground   82.80% 52.69% 92.47% 92.47% 80.11%
Foreca/Vaisala   76.34% 59.14% 90.32% 90.32% 79.03%
AccuWeather   72.83% 58.06% 91.30% 91.30% 78.37%
AerisWeather   68.82% 50.54% 91.40% 91.40% 75.54%
NWS Digital Forecast   79.57% 46.24% 86.02% 86.02% 74.46%
Dark Sky   69.89% 47.31% 88.17% 88.17% 73.39%
World Weather Online   69.89% 41.94% 86.02% 86.02% 70.97%
OpenWeather   53.76% 39.78% 88.17% 88.17% 67.47%
Weather News   52.69% 44.09% 84.95% 84.95% 66.67%
Weatherbit   36.96% 29.03% 85.87% 85.87% 59.43%
Wetter   43.01% 26.88% 82.80% 82.80% 58.87%
Persistence   34.78% 21.74% 59.42% 59.42% 43.84%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   82.53% 71.05% 87.25% 87.25% 82.02%
Weather Underground   82.90% 71.60% 83.46% 83.46% 80.35%
Dark Sky   73.94% 71.97% 83.64% 83.64% 78.30%
AccuWeather   81.50% 69.76% 79.81% 78.79% 77.46%
Foreca/Vaisala   75.88% 66.05% 82.19% 82.35% 76.62%
AerisWeather   72.75% 58.63% 80.07% 80.07% 72.88%
NWS Digital Forecast   77.64% 63.76% 72.70% 72.70% 71.70%
OpenWeather   59.80% 44.77% 79.21% 79.21% 65.75%
World Weather Online   57.92% 44.81% 74.88% 74.88% 63.12%
Wetter   52.40% 41.63% 76.89% 76.89% 61.96%
Weatherbit   46.53% 45.09% 76.92% 76.92% 61.37%
Weather News   65.86% 42.00% 64.20% 64.20% 59.07%
Persistence   33.29% 26.95% 54.01% 54.01% 42.07%

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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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