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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   65.59% 63.44% 100.00% 100.00% 82.26%
The Weather Channel   64.52% 61.29% 100.00% 100.00% 81.45%
AccuWeather   52.17% 64.52% 100.00% 100.00% 79.17%
Foreca/Vaisala   53.76% 56.99% 100.00% 100.00% 77.69%
AerisWeather   51.61% 56.99% 100.00% 100.00% 77.15%
NWS Digital Forecast   47.31% 60.22% 100.00% 100.00% 76.88%
Dark Sky   45.65% 42.39% 100.00% 100.00% 72.01%
Weatherbit   54.84% 31.18% 100.00% 100.00% 71.51%
World Weather Online   45.56% 43.33% 95.56% 95.56% 70.00%
OpenWeather   43.01% 32.26% 98.92% 98.92% 68.28%
Wetter   45.16% 12.90% 100.00% 100.00% 64.52%
Persistence   24.29% 40.58% 90.00% 90.00% 61.22%
Weather News   19.35% 17.20% 100.00% 100.00% 59.14%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   74.58% 74.60% 98.32% 98.32% 86.46%
Weather Underground   74.95% 75.26% 97.30% 97.30% 86.20%
AccuWeather   73.73% 76.43% 95.43% 96.23% 85.46%
Foreca/Vaisala   68.44% 73.77% 97.96% 97.86% 84.50%
NWS Digital Forecast   68.79% 71.52% 94.29% 94.29% 82.22%
AerisWeather   65.67% 70.27% 95.24% 95.24% 81.61%
Dark Sky   52.70% 54.98% 97.58% 97.58% 75.71%
OpenWeather   54.93% 45.58% 96.09% 96.09% 73.17%
Weatherbit   48.92% 50.38% 95.39% 95.39% 72.52%
World Weather Online   53.72% 44.74% 95.72% 95.72% 72.48%
Persistence   44.62% 52.82% 87.37% 87.37% 68.05%
Wetter   56.24% 24.37% 95.07% 95.07% 67.69%
Weather News   17.23% 26.14% 91.34% 91.34% 56.51%

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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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