Weather forecast accuracy details for San Luis Obispo, 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 (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   88.51% 74.71% 90.80% 90.80% 86.21%
The Weather Channel   89.66% 82.76% 85.06% 85.06% 85.63%
Microsoft   84.71% 68.24% 85.88% 87.06% 81.47%
AccuWeather   91.57% 70.73% 77.11% 75.90% 78.83%
NWS Digital Forecast   65.52% 70.11% 82.76% 82.76% 75.29%
AerisWeather   62.07% 67.82% 83.91% 83.91% 74.43%
Weatherbit   38.46% 74.36% 80.77% 80.77% 68.59%
OpenWeather   4.60% 65.52% 82.76% 82.76% 58.91%
Persistence   50.79% 50.00% 65.08% 65.08% 57.74%
Open-Meteo   2.30% 59.77% 83.91% 83.91% 57.47%
Wetter   8.05% 66.67% 80.46% 73.56% 57.18%
Pirate Weather   1.15% 65.52% 79.31% 79.31% 56.32%
World Weather Online   0.00% 43.68% 79.31% 79.31% 50.57%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   78.14% 76.45% 94.30% 94.11% 85.75%
The Weather Channel   79.12% 71.52% 95.88% 95.88% 85.60%
Microsoft   70.65% 75.81% 95.12% 95.12% 84.18%
Foreca/Vaisala   73.72% 71.52% 95.42% 95.42% 84.02%
AerisWeather   71.61% 65.11% 92.77% 92.77% 80.56%
NWS Digital Forecast   67.62% 63.74% 91.86% 91.86% 78.77%
Weatherbit   47.83% 60.28% 93.19% 93.19% 73.62%
OpenWeather   43.59% 49.36% 95.24% 95.24% 70.86%
Wetter   48.53% 42.77% 90.29% 92.03% 68.41%
Persistence   48.28% 53.90% 81.74% 81.74% 66.42%
World Weather Online   39.37% 38.98% 92.72% 92.72% 65.95%
Pirate Weather   27.27% 40.77% 94.67% 94.67% 64.35%

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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