Weather forecast accuracy details for Jefferson, 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.

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Weather Forecast Accuracy Data Last Month (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   81.61% 54.02% 83.91% 83.91% 75.86%
The Weather Channel   91.95% 52.87% 75.86% 75.86% 74.14%
AerisWeather   78.16% 56.32% 78.16% 82.76% 73.85%
Microsoft   85.19% 55.56% 72.84% 81.48% 73.77%
AccuWeather   90.91% 48.05% 76.62% 76.62% 73.05%
Weatherbit   93.10% 49.43% 70.11% 70.11% 70.69%
Open-Meteo   79.31% 35.63% 79.31% 79.31% 68.39%
NWS Digital Forecast   73.81% 46.43% 73.81% 73.81% 66.96%
OpenWeather   50.57% 24.14% 77.01% 77.01% 57.18%
Pirate Weather   34.48% 35.63% 72.41% 72.41% 53.74%
World Weather Online   39.08% 13.79% 78.16% 78.16% 52.30%
Persistence   30.65% 16.13% 45.16% 45.16% 34.27%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   83.06% 67.03% 81.87% 81.87% 78.46%
Microsoft   80.08% 65.07% 82.32% 82.32% 77.45%
AerisWeather   79.40% 62.82% 77.84% 79.49% 74.89%
Foreca/Vaisala   79.49% 56.41% 81.68% 81.68% 74.82%
AccuWeather   78.99% 62.11% 75.48% 75.29% 72.97%
Weatherbit   71.69% 50.09% 78.77% 78.77% 69.83%
NWS Digital Forecast   79.59% 62.33% 68.70% 68.70% 69.83%
Pirate Weather   38.40% 39.78% 79.93% 79.93% 59.51%
World Weather Online   49.52% 41.57% 72.70% 72.70% 59.12%
OpenWeather   45.97% 41.30% 74.36% 74.36% 59.00%
Persistence   34.07% 35.34% 57.60% 57.60% 46.15%

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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