Weather forecast accuracy details for Lancaster, California

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
Weather Underground   96.67% 71.11% 100.00% 100.00% 91.94%
The Weather Channel   96.67% 70.00% 100.00% 100.00% 91.67%
AccuWeather   98.88% 76.67% 95.51% 93.26% 91.08%
Foreca/Vaisala   93.33% 54.44% 100.00% 100.00% 86.94%
AerisWeather   95.56% 52.22% 98.89% 98.89% 86.39%
NWS Digital Forecast   93.33% 38.89% 92.22% 92.22% 79.17%
Persistence   53.73% 62.12% 100.00% 100.00% 78.96%
World Weather Online   90.80% 37.93% 91.95% 91.95% 78.16%
Weather News   84.44% 20.00% 100.00% 100.00% 76.11%
Weatherbit   84.44% 4.44% 100.00% 100.00% 72.22%
Dark Sky   66.29% 12.36% 100.00% 100.00% 69.66%
OpenWeather   60.00% 1.11% 90.00% 90.00% 60.28%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   92.48% 54.87% 97.50% 97.50% 85.59%
Weather Underground   91.92% 55.43% 97.41% 97.41% 85.54%
AccuWeather   92.49% 54.70% 96.59% 96.82% 85.15%
Foreca/Vaisala   83.57% 49.86% 97.31% 96.48% 81.80%
AerisWeather   81.75% 39.66% 95.17% 95.17% 77.94%
NWS Digital Forecast   83.29% 37.93% 93.25% 93.25% 76.93%
Weather News   76.02% 31.85% 95.27% 95.27% 74.60%
Weatherbit   75.30% 28.40% 96.47% 96.47% 74.16%
OpenWeather   68.99% 32.68% 94.63% 94.63% 72.73%
Dark Sky   39.37% 35.28% 96.94% 96.94% 67.14%
World Weather Online   47.35% 25.26% 93.98% 93.98% 65.14%
Persistence   39.71% 29.84% 90.15% 90.15% 62.47%

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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