Weather forecast accuracy details for Greeley, Colorado

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
Weather Underground   70.97% 55.91% 96.77% 96.77% 80.11%
The Weather Channel   69.89% 55.91% 96.77% 96.77% 79.84%
AerisWeather   67.78% 55.56% 96.67% 96.67% 79.17%
AccuWeather   77.78% 47.78% 94.44% 94.44% 78.61%
Dark Sky   76.34% 48.39% 92.47% 92.47% 77.42%
Foreca/Vaisala   76.34% 41.94% 94.62% 94.62% 76.88%
NWS Digital Forecast   73.12% 53.76% 86.02% 86.02% 74.73%
World Weather Online   63.44% 40.86% 95.70% 95.70% 73.92%
Weather News   60.22% 51.61% 90.32% 90.32% 73.12%
OpenWeather   52.69% 30.11% 95.70% 95.70% 68.55%
Weatherbit   39.78% 35.48% 96.77% 96.77% 67.20%
Wetter   47.31% 23.66% 92.47% 95.70% 64.78%
Persistence   34.33% 24.64% 76.12% 76.12% 52.80%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   74.93% 71.12% 87.56% 87.56% 80.29%
The Weather Channel   74.56% 70.66% 87.19% 87.19% 79.90%
Foreca/Vaisala   72.42% 65.27% 87.74% 87.19% 78.16%
AccuWeather   75.12% 68.20% 84.00% 81.50% 77.21%
AerisWeather   69.93% 62.20% 82.77% 82.77% 74.42%
Dark Sky   67.50% 61.75% 83.75% 83.75% 74.19%
Weather News   59.98% 64.25% 81.24% 81.24% 71.68%
Wetter   55.81% 54.10% 86.00% 86.29% 70.55%
NWS Digital Forecast   71.03% 61.90% 72.41% 72.41% 69.44%
Weatherbit   57.18% 45.49% 85.35% 85.35% 68.34%
OpenWeather   60.72% 47.82% 78.09% 78.09% 66.18%
World Weather Online   54.66% 53.22% 76.77% 76.77% 65.36%
Persistence   24.40% 31.16% 66.09% 66.09% 46.93%

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!