Weather forecast accuracy details for Upper Marlboro, Maryland

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 (January)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   93.55% 84.95% 92.47% 92.47% 90.86%
Foreca/Vaisala   69.89% 84.95% 90.32% 90.32% 83.87%
AccuWeather   77.42% 70.97% 93.55% 88.17% 82.53%
AerisWeather   69.89% 76.34% 89.25% 89.25% 81.18%
Microsoft   62.64% 79.57% 85.71% 92.31% 80.06%
Weatherbit   69.89% 68.82% 81.72% 81.72% 75.54%
NWS Digital Forecast   65.91% 62.50% 84.09% 84.09% 74.15%
Wetter.com   38.71% 70.97% 86.02% 86.02% 70.43%
OpenWeather   50.54% 47.31% 89.25% 89.25% 69.09%
Pirate Weather   61.29% 45.16% 83.87% 83.87% 68.55%
Open-Meteo   47.31% 48.39% 87.10% 87.10% 67.47%
World Weather Online   47.31% 35.48% 84.95% 84.95% 63.17%
Persistence   25.00% 24.14% 61.67% 61.67% 43.12%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   84.69% 85.71% 86.55% 86.55% 85.88%
Foreca/Vaisala   79.46% 85.71% 86.74% 86.74% 84.66%
AerisWeather   78.71% 84.22% 86.65% 86.65% 84.06%
Microsoft   80.53% 82.50% 85.76% 85.64% 83.61%
Weatherbit   79.91% 85.50% 84.08% 84.27% 83.44%
AccuWeather   81.52% 85.50% 82.18% 81.90% 82.77%
NWS Digital Forecast   79.68% 83.98% 76.58% 76.58% 79.20%
Pirate Weather   71.43% 48.83% 83.57% 83.57% 71.85%
Open-Meteo   66.39% 54.06% 81.61% 81.61% 70.92%
Wetter.com   45.00% 73.58% 75.44% 74.70% 67.18%
OpenWeather   66.48% 42.20% 80.02% 80.02% 67.18%
World Weather Online   60.97% 44.35% 76.56% 76.56% 64.61%
Persistence   34.48% 34.99% 58.84% 58.84% 46.79%

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!