Weather forecast accuracy details for Marlow, 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.

Click on the headers to sort by that column.

Weather Forecast Accuracy Data Last Month (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   86.67% 81.11% 78.89% 78.89% 81.39%
The Weather Channel   80.00% 57.78% 70.00% 70.00% 69.44%
AerisWeather   82.22% 65.56% 60.00% 57.78% 66.39%
Weatherbit   76.74% 59.30% 62.22% 63.33% 65.40%
Foreca   77.78% 62.22% 60.00% 60.00% 65.00%
World Weather Online   67.78% 41.11% 70.00% 70.00% 62.22%
Open-Meteo   61.11% 38.89% 74.44% 74.44% 62.22%
Pirate Weather   65.56% 25.56% 71.11% 67.78% 57.50%
NWS Digital Forecast   63.41% 53.66% 56.10% 56.10% 57.32%
OpenWeather   57.78% 38.89% 63.33% 63.33% 55.83%
Persistence   28.89% 14.44% 52.22% 52.22% 36.94%

Weather Forecast Accuracy Data Last Year (2025)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   83.38% 77.35% 83.66% 84.15% 82.14%
The Weather Channel   81.92% 67.06% 83.24% 83.24% 78.86%
AerisWeather   79.13% 68.54% 77.73% 77.54% 75.74%
Foreca   78.35% 67.38% 77.54% 77.54% 75.20%
Weatherbit   75.52% 56.19% 78.70% 79.38% 72.45%
NWS Digital Forecast   70.71% 57.20% 74.46% 74.46% 69.20%
Open-Meteo   62.72% 42.82% 79.19% 79.19% 65.98%
Pirate Weather   71.28% 32.72% 80.10% 73.50% 64.40%
OpenWeather   58.33% 42.55% 75.63% 75.63% 63.03%
World Weather Online   49.22% 35.15% 75.90% 75.90% 59.04%
Persistence   27.06% 26.63% 52.18% 52.18% 39.51%

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.

Please contact us with whatever custom needs you may have. We would love to help!